ing 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 $2,600, $2,700, $2,800, $2,900, $3,000, $3,100, and $3,200.

Grade 8 in this service, which may be referred to as the associate administrative grade, shall include all classes and 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 $2,900, $3,000, $3,100, $3,200, $3,300, $3,400, and $3,500.

Grade 9 in this serivce, 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 $3,200, $3,300, $3,400, $3,500, $3,600, $3,700, and $3,800.

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 $3,500, $3,600, $3,700, $3,800, $3,900, $4,000, and $4,100.

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 $3,800, $4,000, $4,200, $4,400, and $4,600.

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 $4,600, $4,800, $5,000, $5,200, and $5,400, 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 shal be $5,600, $5,800, $6,000, $6,200, and $6,400, 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 or 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 $6,500, $7,000, and $7,500, 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 $8,000, $8,500, and $9,000, 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 $9,000.

CUSTODIAL SERVICE

The custodial service shall include all classes of positions, the duties of which are to supervise or to perform manual work involved in the custody, maintenance, and protection of public buildings, premises, and equipment, the transportation of public officers, employees, or property, and the transmission of official papers.

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 rate of compensation for positions in this grade shall be $600, $660, $720, $780, and $840.

Grade 2 in this service, which may be referred to as the officelaborer 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 rate of compensation for positions in this grade shall be $1,080, $1,140, $1,200, $1,260, $1,320, and $1,380: Provided, That charwomen working part time be paid at the rate of 50 cents an hour and head charwomen at the rate of 55 cents an hour. Charwomen and head charwomen shall receive for each holiday (except Sunday) upon which under existing law no work is performed by them an amount equal to the amount they would receive had they performed the same number of hours of work on such holiday as the average number of hours of work performed by them during the days in the week in which such holiday occurs.

Grade 3 in this service, which may be referred to as the minor 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 guarding office or storage buildings; 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 $1,200, $1,260, $1,320, $1,380, $1,440, and $1,500.

Grade 4 in this service, which may be referred to as the undercustodial 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 supervising a small force of unskilled laborers, directly supervising a small detachment of watchmen or building guards, 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 $1,320, $1,380, $1,440, $1,500, $1,560, $1,620, and $1,680.

Grade 5 in this service, which may be referred to as the junior 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 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 $1,500, $1,560, $1,620, $1,680, $1,740, $1,800, and $1,860.

Grade 6 in this service, which may be referred to as the assistant custodial grade, shall include all classes of positions the duties of which are to assist in the supervision of large forces of watchmen and building guards, or to have general supervision over smaller forces, 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 $1,680, $1,740, $1,800, $1,860, $1,920, $1,980, and $2,040.

Grade 7 in this service, which may be referred to as the main 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 have general supervision over large forces of watchmen and building guards; or to perform other work of similar character.

The annual rates of compensation for positions in this grade shall be $1,860, $1,920, $1,980, $2,040, $2,100, $2,200, and $2,300.

Grade 8 in this service, which may be referred to as the senior custodial grade, shall include all classes of positions the duties of which are to direct supervisory and office assistants, mechanics, watchmen, elevator conductors, laborers, janitors, messengers, and other employees engaged in the custody, maintenance, and protection of a small building, or to assist in the direction of such employees when engaged in similar duties in a large building, or to perform other custodial work of equal difficulty and responsibility.

The annual rates of compensation for positions in this grade shall be $2,000, $2,100, $2,200, $2,300, $2,400, $2,500, and $2,600.

Grade 9 in this service, which may be referred to as the principal custodial grade, shall include all classes of positions the duties of which are to direct supervisory and office assistants, mechanics, watchmen, elevator conductors, laborers, janitors, messengers, and other employees engaged in the custody, maintenance, and protection of a large building, or to assist in the direction of such employees when engaged in similar duties in a group of buildings; or to perform other custodial work of equal difficulty and responsibility.

The annual rates of compensation for positions in this grade shall be $2,300, $2,400, $2,500, $2,600, $2,700, $2,800, and $2,900.

Grade 10 in this service, which may be referred to as the chief custodial grade, shall include all classes of positions the duties of which are to direct supervisory and office assistants, mechanics, watchmen, elevator conductors, laborers, janitors, messengers, and other employees engaged in the custody, maintenance, and protection of a group of buildings, or to perform other custodial work of equal difficulty and responsibility.

The annual rates of compensation for positions in this grade shall be $2,600, $2,700, $2,800, $2,900, $3,000, $3,100, and $3,200.

CLERICAL-MECHANICAL SERVICE

The clerical-mechanical service shall include all classes of positions which are not in a recognized trade or craft and which are

located in the Bureau of Engraving and Printing, the mail equipment shop, the duties of which are to perform or to direct manual or machine operations requiring special skill or experience, or to perform or direct the counting, examining, sorting, or other verification of the product of manual or machine operations.

Grade 1 shall include all classes of positions in this service the duties of which are to perform the simplest operations or processes requiring special skill and experience.

The rates of compensation for classes of positions in this grade shall be 55 to 60 cents an hour.

Grade 2 shall include all classes of positions in this service the duties of which are to operate simple machines or to perform operations or processes requiring a higher degree of skill than those in grade 1.

The rates of compensation for classes of positions in this grade shall be 65 to 70 cents an hour.

Grade 3 shall include all classes of positions in this service the duties of which are to operate machines or to perform operations or processes requiring the highest degree of skill, or supervise a small number of subordinates.

The rates of compensation for classes of positions in this grade shall be 75 to 80 cents an hour.

Grade 4 shall include all classes of positions in this service the duties of which are to perform supervisory work over a large unit of subordinates.

The rates of compensation for classes of positions in this grade shall be 85 to 95 cents an hour.

The heads of the several executive departments and independent establishments of the Government whose duty it is to carry into effect the provisions of this Act are hereby directed to so administer the same that employees whose positions are in the grades affected hereby, who were in said positions on June 30, 1928, and who, under the Act of May 28, 1928 (U. S. C., Supp. 3, title 5, sec. 673), did not receive an increase in salary the equivalent of two steps or salary rates in their respective grades shall be given such additional step or steps or salary rate or rates, within the grade, as may be necessary to equal such increase: Provided, That nothing herein shall prevent or operate to revoke the promotion or allocation for an employee to a higher salary rate or grade: Provided further, That nothing contained in this Act shall operate to decrease the pay of any present employee, nor deprive any employee of any advancement authorized by law and for which funds are available.

Whenever in any case the basic qualifications of any already existing grade or subdivision of a service are by this Act made the basic qualifications of a higher grade or subdivision, the positions of all employees in said existing grade or subdivision are by this Act advanced to said higher grade or subdivision of a service. (Mar. 4, 1923, sec. 13, 42 Stat. 1491; June 7, 1924, 43 Stat. 669; May 28, 1928, sec. 1, 45 Stat. 776; July 3, 1930, sec. 1, 46 Stat. 1003; Aug. 23, 1935, Public 308, 74th Cong.; 5 U. S. C., sec. 673.)

224. Personnel Classification Board; ascertainment of facts; review of allocations; change of allocation.-The Personnel Classification Board shall have authority to ascertain currently the facts as to the duties