4. The post-office service shall include the officers and employees in any free-delivery post-office who have been or may hereafter be classified under the civil-service act; and whenever the free-delivery system shall be established in any post-office the Postmaster-General shall at once notify the Commission of such establishment and the officers or employees of said office shall be included within the classified service from the date of such establishment; and whenever by order of the Postmaster-General any post-office shall be consolidated with and made a part of a free-delivery post-office the Postmaster-General shall at once notify the Commission of such consolidation and from the date of said order the employees of the office thus made a part of the free-delivery office whose names appear on the roster of the Post-Office Department shall be employees of said free-delivery office, and the person holding on the date of said order the position of postmaster at the office thus made a part of said free-delivery office may be made an employee in said free-delivery office and may at the time of classification be assigned to any position therein and given any appropriate designation which the Postmaster-General may direct.

5. The Government printing service shall include the officers and employees in the Government Printing Office who have been or may hereafter be classified under the civil-service act.

6. The internal-revenue service shall include the officers and employees who have been or may hereafter be classified under the civil-service act in any internal-revenue district.

7. All officers and employees who have heretofore been classified under the civil-service act shall be considered as still classified and subject to the provisions of these rules.

8. The following-mentioned positions or employees shall not be subject to the provisions of these rules:

(a) Any position filled by a person whose place of private business is conveniently located for the performance of the duties of said position, or any position filled by a person remunerated in one sum both for services rendered therein and for necessary rent, fuel, and lights furnished for the performance of the duties thereof: Provided, That in either case the performance of the duties of said position requires only a portion of the time and attention of the occupant, paying him a compensation not exceeding, for his personal salary only, $300 per annum, and permitting of his pursuing other regular business or occupation.

(b) Any person in the military or naval service of the United States who is detailed for the performance of civil duties.

(c) Any person employed in a foreign country under the State Department or temporarily employed in a confidential capacity in a foreign country.

(d) Any position whose duties are of a quasi military or quasi naval character and for the performance of whose duties a person is enlisted for a term of years.

RULE IV.