[Grade 3 in this service, which may be referred to as the associate professiona grade, shall include all classes of positions the duties of which are to perform, individually or with a small number of trained assistants, under general supervision but with considerable latitude for the exercise of independent judgment, responsible work requiring extended professional. scientific, or technical training and considerable previous experience.

[The annual rates of compensation for positions in this grade shall be $4,479.60, $4,605, $4,730.40, $4,855.80, $4,981.20, $5,106.60, and $5,232.

[Grade 4 in this service, which may be referred to as the full professional grade, shall include all classes of positions the duties of which are to perform, under general supervision, difficult and responsible work requiring considerable professional, scientific, or technical training and experience, and the exercise of independent judgment.

[The annual rates of compensation for positions in this grade shall be $5,232. $5,482.80, $5,733.60, $5,984.40, and $6,235.20.

[Grade 5 in this service, which may be referred to as the senior professiona! grade, shall include all classes of positions the duties of which are to perform, under general administrative supervision, important specialized work requiring extended professional, scientific, or technical training and experience, the exercise of independent judgment, and the assumption of responsibility for results, or for the administration of a small scientific or technical organization

[The annual rates of compensation for positions in this grade shall be $6,235.20, $6,474.60, $6,714. $6.953.40. and $7.192.80 unless a higher rate is specifically authorized by law

[Grade 6 in this service, which may be referred to as the principal professional grade, shall include all classes of positions the duties of which are to act as assistant head of major professional or scientific organization, or to act as administrative head of major subdivision of such an organization, or to act as head of small professional or scientific organization, or to serve as consulting specialist, or independently to plan, organize, and conduct investigations in original research or development work in a professional, scientific, or technical field

[The annual rates of compensation for positions in this grade shall be $7,432.20, $7,671.60, $7,911, $8.150.40. and $8.389.80, unless a higher rate is specifically authorized by law.

[Grade 7 in this service, which may be referred to as the head professional grade. shall include all classes of positions the duties of which are to act as assistant head of one of the largest and most important professional or scientific bureaus, or to act as the scientific, and administrative head of a major professional or scientific bureau, or to act as professional consultant to a departmental head or a commission or board dealing with professional, scientific, or technical problems, or to perform professional or scientific work of equal importance. difficulty and responsibility.

[The annual rates of compensation for positions in this grade shall be $8,509.50, $8,808.75, $9,108. $9.407.25, and $9.706.50. unless a higher rate is specifically authorized by law.

[Grade 8 in this service, which may be referred to as the chief professional grade, shall include all classes of positions the duties of which are to act as the administrative head of one of the largest and most important professional or scientific bureaus, or to perform professional or scientific work of equal importance, difficulty, and responsibility.

[The annual rates of compensation for positions in this grade shall be $10,305 and $10,330, unless a higher rate is specifically authorized by law.

[Grade 9 in this service, which may be referred to as the special professional grade, shall include all positions which are or may be specifically authorized or appropriated for at annual rates of compensation in excess of $10,330.

[SUBPROFESSIONAL SERVICE

[The subprofessional service shall include all classes of positions the duties of which are to perform work which is incident, subordinate, or preparatory to the work required of employees holding positions in the professional and scientific service, and which requires or involves professionai, scientific, or technical training of any degree inferior to that represented by graduation from a college or university of recognized standing.

[Grade 1 in this service, which may be referred to as the minor subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, the simplest routine work in a professional, scientific, or technical organization.

[The annual rates of compensation for positions in this grade shall be $2,020, $2,086, $2,152, $2,218, $2,284, $2,350, and $2,423.04.

[Grade 2 in this service, which may be referred to as the under-subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, assigned subordinate work of a professionai, scientific, or technical character, requiring limited training or experience, but not the exercise of independent judgment.

[The annual rates of compensation for positions in this grade shall be $2,152, $2,218, $2,284, $2,350, $2,423.04, $2,498.28, and $2,573.52.

[Grade 3 in this service, which may be referred to as the junior subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, subordinate work of a professional, scientific, or technical character, requiring considerable training or experience, but not the exercise of independent judgment.

[The annual rates of compensation for positions in this grade shall be $2,284, $2,350, $2,423.04, $2,498.28, $2,573.52, $2,648.76, and $2,724.

[Grade 4 in this service, which may be referred to as the assistant subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, subordinate work of a professional, scientific, or technical character, requiring considerable training or experience, and, to a limited extent, the exercise of independent judgment.

[The annual rates of compensation for positions in this grade shall be $2,498.28, $2,573.52, $2,648.76, $2,724, $2,799.24, $2,874.48, and $2,949.72.

[Grade 5 in this service, which may be referred to as the main subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate or general supervision, subordinate work of a professional, scientific, or technical character, requiring a thorough knowledge of a limited field of professional, scientific, or technical work, and the exercise of independent judgment, or to supervise the work of a small number of employees performing duties of an inferior grade in the subprofessional service.

[The annual rates of compensation for positions in this grade shall be $2,724, $2,799.24, $2,874.48, $2,949.72, $3,024.96, $3,100.20, and $3,175.44.

[Grade 6 in this service, which may be referred to as the senior subprofessional grade, shall include all classes of positions the duties of which are to perform, under immediate or general supervision, subordinate but difficult and responsible work of a professional, scientific, or technical character, requiring a thorough knowledge of a limited field of professional, scientific, or technical work, and the exercise of independent judgment, or to supervise the work of a small number of employees holding positions in grade 5 of this service.

[The annual rates of compensation for positions in this grade shall be $2,974.80. $3,100.20, $3,225.60, $3,351, $3,476.40, $3,601.80, and $3,727.20.

[Grade 7 in this service, which may be referred to as the principal subprofessional grade, shall include all classes of positions the duties of which are to perform, under general supervision, subordinate but responsible work of a professional, scientific, or technical character, requiring a working knowledge of the principles of the profession, art, or science involved, and the exercise of independent judgment, or to supervise the work of a small number of employees holding positions in grade 6 of this service.

[The annual rates of compensation for positions in this grade shall be $3,351. $3,476.40, $3,601.80, $3,727.20, $3,852.60, $3,978, and $4,103.40.

[Grade 8 in this service, which may be referred to as the chief subprofessional grade, shall include all classes of positions the duties of which are to perform, under general supervision, subordinate but difficult and responsible work of a professional, scientific, or technical character, requiring a thorough working knowledge of the principles of the profession, art, or science involved, and the exercise of independent judgment, or to supervise the work of a small number of employees holding positions in grade 7 of this service.

The annual rates of compensation for positions in this grade shall be $3,727.20, $3,852.60, $3,978, $4,103.40, $4,228.80, $4,354.20, and $4,479.60.

[CLERICAL, ADMINISTRATIVE, AND FISCAL SERVICE

[The clerical, administrative, and fiscal service shall include all classes of positions the duties of which are to perform clerical, administrative, or accounting work, or any other work, commonly associated with office, business, or fiscal administration.

[Grade 1 in this service, which may be referred to as the under-clerical grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, the simplest routine office work.

[The annual rates of compensation for positions in this grade shall be $2,086, $2.152, $2,218, $2,284, $2,350, $2,423.04, and $2,498.28.

[Grade 2 in this service, which may be referred to as the junior clerical grade, shall include all classes of positions and the duties of which are to perform under immediate supervision, assigned office work requiring training or experience but not the exercise of independent judgment.

[The annual rates of compensation for positions in this grade shall be $2,284, $2,350, $2,423.04, $2,498.28, $2,573.52, $2,648.76, and $2,724.

[Grade 3 in this service, which may be referred to as the assistant clerical grade, shall include all classes of positions the duties of which are to perform, under immediate or general supervision, assigned office work requiring training and experience and knowledge of a specialized subject matter or the exercise of independent judgment, or to supervise a small section performing simple clerical operations.

[The annual rates of compensation for positions in this grade shall be $2,498.28, $2,573.52, $2,648.76, $2,724, $2,799.24, $2,874.48, and $2,949.72.

[Grade 4 in this service, which may be referred to as the main clerical grade, shall include all classes of positions the duties of which are to perform, under immediate or general supervision responsible office work requiring training and experience, the exercise of independent judgment or knowledge of a specialized subject matter or both and an acquaintance with office procedure and practice, or to supervise a smali stenographic section or a small section performing clerical operations of corresponding difficulty.

[The annual rates of compensation for positions in this grade shall be $2,724, $2,799.24, $2,874.48, $2,949.72, $3,024.96, $3,100.20, and $3,175.44.

[Grade 5 in this service, which may be referred to as the senior clerical grade, shall include all classes of positions the duties of which are to perform, under general supervision, difficult and responsible office work requiring considerable training and experience, the exercise of independent judgment or knowledge of a specialized subject matter or both, and a thorough knowledge of office procedure and practice, or to supervise a large stenographic section or any large section performing simple clerical operations, or to supervise a small section engaged in difficult but routine office work.

[The annual rates of compensation for positions in this grade shall be $2,974.80, $3.100.20, $3,225.60, $3,351, $3,476.40, $3,601.80, and $3,727.20.

[Grade 6 in this service, which may be referred to as the principal clerical grade, shall include all classes of positions the duties of which are to perform, under general supervision, exceptionally difficult and responsible office work requiring extended training and experience, the exercise of independent judgment or knowledge of a specialized and complex subject matter, or both, and a thorough knowledge of office procedure and practice, or to serve as the recognized authority or adviser in matters requiring long experience and an exceptional knowledge of the most difficult and complicated procedure or of a very difficult and complex subject, or to supervise a large or important office organization engaged in difficult or varied work.

[The annual rates of compensation for positions in this grade shall be $3,351, $3.476.40, $3,601.80, $3,727.20, $3,852.60, $3,978, and $4,103.40.

[Grade 7 in this service, which may be referred to as the assistant administrative grade, shall include all classes of positions the duties of which are to perform, under general supervision, responsible office work along specialized and technical lines requiring specialized training and experience and the exercise of independent judgment, or as chief clerk to supervise the general business operations of a small, independent establishment or a minor bureau or division of an executive department, or to supervise a large or important office organization engaged in difficult and specialized work.

[The annual rates of compensation for positions in this grade shall be $3,727.20, $3.852.60, $3.978, $4,103.40, $4,228.80, $4,354.20, and $4,479.60.

[Grade 8 in this service, which may be referred to as the associate administrative grade, shall include all classes of positions the duties of which are to perform, under general supervision, difficult and responsible office work along specialized and technical lines requiring specialized training and experience and the exercise of independent judgment, or to supervise a large or important office organization engaged in work involving specialized training on the part of the employees.

[The annual rates of compensation for positions in this grade shall be $4,103.40, $4.228.80, $4,354.20, $4,479.60, $4,605, $4,730.40, and $4,855.80.

[Grade 9 in this service, which may be referred to as the full administrative grade, shall include all classes of positions the duties of which are to perform.

under general supervision, exceptionally difficult and responsible office work along specialized and technical lines, requiring considerable specialized training and experience and the exercise of independent judgment, or as chief clerk to supervise the general business operations of a large independent establishment or a major bureau or division of an executive department, or to supervise a large or important office organization engaged in work involving technical training on the part of the employees.

[The annual rates of compensation for positions in this grade shall be $4,479.60. $4,605, $4,730.40, $4,855.80. $4,981.20, $5,106.60, and $5,232.

[Grade 10 in this service, which may be referred to as the senior administrative grade, shall include all classes of positions the duties of which are to perform, under general supervision, the most difficult and responsible office work along specialized and technical lines, requiring extended training. considerable experience, and the exercise of independent judgment, or to supervise a large or important office organization engaged in work involving considerable technical training and experience on the part of the employees

[The annual rates of compensation for positions in this grade shall be $4,855.80. $4,981.20, $5,106.60 $5,232 $5,357.40. $5,482.80. and $5,608.20.

[Grade 11 in this service, which may be referred to as the principal administrative grade, shall include all classes of positions the duties of which are to perform the most difficult and responsible office work along specialized and technical lines requiring extended training and experience, and the exercise of independent judgment, or to supervise a large or important office organization engaged in work involving extended training and considerable experience on the part of the employees.

[The annual rates of compensation for positions in this grade shall be $5,232. $5,482.80, $5,733.60, $5,984.40, and $6,235.20.

[Grade 12 in this service, which may be referred to as the head administrative grade, shall include all classes of positions the duties of which are to perform the most difficult and responsible office work along specialized and technical lines requiring extended training and experience, the exercise of independent judgment, and the assumption of full responsibility for results, or to supervise a large and important office organization engaged in work involving extended training and experience on the part of the employees.

[The annual rates of compensation for positions in this grade shall be $6,235.20, $6,474.60, $6,714, $6.953.40. and $7.192.80. unless a higher rate is specifically authorized by law

[Grade 13 in this service, which may be referred to as the chief administrative grade, shall include all classes of positions the duties of which are to act as assistant head of a major bureau, or to act as administrative head of a major subdivision of such a bureau, or to act as head of a small bureau, in case professional or scientific training is not required, or to supervise the design and installation of office systems, methods, and procedures, or to perform work of similar importance, difficulty, and responsibility.

[The annual rates of compensation for positions in this grade shall be $7,432.20, $7,671.60, $7,911, $8,150.40, and $8.389.80, unless a higher rate is specifically authorized by law.

[Grade 14 in this service, which may be referred to as the executive grade, shall include all classes of positions the duties of which are to act as assistant head of one of the largest and most important bureaus, or to act as head of a major bureau, in case professional or scientific training is not required, or to supervise the design of systems of accounts for use by private corporations subject to regulation by the United States, or to act as the technical consultant to a department head of a commission or board in connection with technical or fiscal matters, or to perform work of similar importance, difficulty, and responsibility.

[The annual rates of compensation for positions in this grade shall be $8,509.50, $8,808.75, $9,108, $9.407.25, and $9.706.50. unless a higher rate is specifically authorized by law

[Grade 15 in this service, which may be referred to as the senior executive grade, shall include all classes of positions the duties of which are to act as the head of one of the largest and most important bureaus, in case professional or scientific training is not required, or to perform work of similar importance, difficulty, and responsibility.

[The annual rates of compensation for positions in this grade shall be $10,305. and $10,330, unless a higher rate is specifically authorized by law.

[Grade 16 in this service, which may be referred to as the special executive grade, shall include all positions which are or may be specifically authorized or appropriated for at annual rates of compensation in excess of $10,330.

[CRAFTS, PROTECTIVE, AND CUSTODIAL SERVICE

[The crafts, protective, and custodial service shall include all classes of positions the duties of which are to supervise or perform the work of an apprentice, helper, or journeyman in a recognized trade or craft, or other skilled mechanical craft, or the work of an unskilled or skilled laborer, or police or fire protection work, or domestic or other manual or mechanical work involved in the protection, operation, or maintenance of public buildings, premises, and equipment; the transportation of public officers, employees, and property; the transmission of official papers; the guarding of persons in the custody of the Government, and caring for their domestic needs and those of persons in the employ or care of the Government. [Grade 1 in this service, which may be referred to as the junior messenger grade, shall include all classes of positions, the duties of which are to run errands, to check parcels, or to perform other light manual or mechanical tasks with little or no responsibility.

[The annual rates of compensation for positions in this grade shall be $1,410, $1,500, $1,588, $1,660, and $1,732.

[Grade 2 in this service, which may be referred to as the office-laborer grade, shall include all classes of positions the duties of which are to handle desks, mail sacks, and other heavy objects, and to perform similar work ordinarily required of unskilled laborers; to operate elevators; to clean office rooms; or to perform other work of similar character.

[The annual rates of compensation for positions in this grade shall be $2,020, $2,086, $2,152, $2,218, $2,284, and $2,350; Provided, That charwomen working part time be paid at the rate of $1.10 an hour and head charwomen at the rate of $1.15 an hour.

[Grade 3 in this service, which may be referred to as the minor crafts, protective, and custodial grade, shall include all classes of positions the duties of which are to perform, under immediate supervision, custodial, or manual office work with some degree of responsibility, such as operating paper-cutting, canceling, envelope-opening, or envelope-sealing machines; firing and keeping up steam in boilers used for heating purposes in office buildings, cleaning boilers, and oiling machinery and related apparatus; operating passenger or freight automobiles; packing goods for shipment; supervising a large group of charwomen; running errands and doing light manual or mechanical tasks with some responsibility; carrying important documents from one office to another; or attending the door and private office of a department head or other public officer.

[The annual rates of compensation for positions in this grade shall be $2,152, $2,218, $2,284, $2,350, $2,423.04, and $2,498.28.

[Grade 4 in this service which may be referred to as the under crafts, protective, and custodial grade, shall include all classes of positions the duties of which are to perform, under general supervision, custodial work of a responsible character, such as guarding office or storage buildings; supervising a small force of unskilled laborers; firing and keeping up steam in heating apparatus and operating the boilers and other equipment used for heating purposes; or performing general, semimechanical, new or repair work requiring some skill with hand tools.

[The annual rates of compensation for positions in this grade shall be $2,350, $2,423.04, $2,498.28, $2,573.52, $2,648.76, $2,724, and $2,799.24.

[Grade 5 in this service, which may be referred to as the junior crafts, protective, and custodial grade, shall include all classes of positions the duties of which are to directly supervise a small detachment of watchmen or building guards; to supervise the operation and maintenance of a small heating plant and its auxiliary equipment; or to perform other work of similar character.

[The annual rates of compensation for positions in this grade shall be $2,573.52, $2,618.76, $2,724, $2,799.24, $2,874.48, $2,949.72, and $3,024.96.

[Grade 6 in this service, which may be referred to as the assistant crafts, protective, and custodial grade, shall include all classes of positions the duties of which are to have general supervision over a small force of watchmen or building guards, or to have direction of a considerable detachment of such employees; to supervise a large force of unskilled laborers: to repair office appliances; or to perform other work of similar character

[The annual rates of compensation for positions in this grade shall be $2.799.24, $2,874.48, $2,949.72, $3,024.96, $3,100.20. $3,175.44, and $3,250.68.

[Grade 7 in this service, which may be referred to as the main crafts, protective, and custodial grade, shall include all classes of positions the duties of which are to supervise the work of skilled mechanics; to supervise the operation and maintenance of a large heating, lighting, and power plant and all auxiliary mechanical and electrical devices and equipment: to assist in the supervision of large forces of