PUBLIC LAWS-CH. 274-JULY 6, 1945 of the run not less than five days per week in either direction, the clerk in charge may be of grade 17 and in such trains there may be a second clerk in charge, who may be of grade 16. The provisions of this para- graph shall apply to the employees assigned to highway post-office service. Lines in class A existing on the effective date of this Act shall be continued in class A and lines in Class B existing on that date shall be continued in Class B. Terminal railwayad (d) Clerks assigned to terminal railway post offices and air mail post offices. y field railway post offices shall be promoted successively to grade 9; and after three years of faithful and meritorious service in grade 9 shall be promoted to grade 10; after five years of faithful and meritorious service in grade 10 shall be promoted to grade 11; and after seven years of faithful and meritorious service in grade 11 shall be promoted to grade 12. Clerks in charge of terminal railway post offices and air mall field railway post offices with less than twenty employees shall be of grade 14 and the clerks in charge of tours shall be of grade 13. Clerks in charge of terminal railway post offices and air mail field rail- way post offices with twenty to seventy-four employees shall be of grade 16 and clerks in charge of tours shall be of grade 15 and clerks in charge of crews within tours shall be of grade 14. Clerks in charge of terminal railway post offices and air mail field railway post offices with seventy-five or more employees shall be of grade 17, the clerks in charge of tours shall be of grade 16, and the clerks in charge of crews within tours shall be of grade 15: Provided, That in terminal railway post offices and air mail field railway post offices having twenty or more employees there shall be appointed for each clerk in charge, including clerks in charge of tours and crews, a clerk of one grade lower than the lowest grade clerk in charge in each organization and such clerks shall act as clerks in charge during the absences of the clerk in charge for whom designated: Providedfurther, That in terminal railway post offices and air mail field railway post offices with fewer than twenty employees a relief clerk in charge may be appointed in grade 13 to be the clerk in charge during absences of the clerks in charge. Transfer offices. (e) Clerks assigned to transfer offices shall be promoted successively to grade 11, and after three years of faithful and meritorious service in grade 11 shall be promoted to grade 12; after five years of faithful and meritorious service in grade 12 shall be promoted to grade 13; and after seven years of faithful and meritorious service in grade 13 shall be promoted to grade 14. Clerks in charge of transfer offices with one to four employees and of tours in such transfer offices shall be of grade 15. Clerks in charge of transfer offices with five to nineteen employees shall be of grade 16 and clerks in charge of tours shall be of grade 15. Clerks in charge of transfer offices with twenty or more employees shall be of grade 17 and the clerks in charge of tours shall be of grade 16: Provided, That in transfer offices having twenty or more employees there shall be appointed for each clerk in charge, including clerks in charge of tours, a clerk of one grade lower than the lowest grade clerk in charge of each organization and such clerks shall act as clerks in charge during the absences of the clerk in charge for whom desig- nated: Provided further, That in transfer offices with nineteen or fewer employees and having two or more clerks in charge regularly assigned a relief clerk in charge may be appointed in grade 15. nCredit for () deitermining the number of employees in terminal railway post offices, transfer offices, and air mail field railway post offices, credit shall be allowed for service performed by regular employees, substitute employees other than those serving in lieu of regular employees absent for any cause, and temporary employees assigned to such offices, and for each two thousand and twenty-four hours of service performed by such employee the office shall be allowed credit for one employee. [59 STAT.
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