as postmaster without compensation and without allowance for rent, light, or furniture. [181-7.]  SECTION  1168 . Officers and Employees Not to Receive Fees . — No person employed in the postal service shall receive any fees or perquisite on account of the performance of official duties. EDSAac SECTION  1169 . Fixing of Postal Rates and Charges . — The rates and manner of collection of postage, registry fees, special delivery charges, money order fees, telegraphic transfer fees, and charges for the transmission of messages by telegraph, telephone, o r wireless telegraphy shall be prescribed by the Director of Posts with the approval of the Department head, subject to the limitations contained in this chapter. [See 1476-1, 2.] SECTION  1170 . Compensation Allowance for Overtime Work . — When necessary service beyond office hours or upon a holiday is rendered by an employee of the Bureau of Posts upon requirement of the Director of Posts, an equal amount of time may be allowed him on  a regular work day, but no accumulation of such time shall be allowed for vacation purposes. SECTION  1171 . Uniform for Employees of Bureau . — The Director of Posts may prescribe a uniform to be worn by any particular class of employees of the Bureau of Posts. Mail Matter SECTION  1172 . Classes of Mail Matter . — Mail matter is divided into three classes, viz: ( a ) First-class mail matter, which includes letters, postal cards and all other matter wholly or partly in writing (except as hereinafter specially provided), or which is sealed or otherwise closed against inspection, or which is not wrapped and packed as  prescribed by the regulations of the Bureau of Posts for matter of the class to which it would otherwise belong. ( b ) Second-class mail matter, which includes all newspapers and other publications, within the conditions named in the next succeeding ARTICLE  II Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 349