Constabulary. [1698-1  (f) .] [1698-1 ( i ).] [1698-1 ( h ).] [1698-1.] [1698-1.] SECTION  708 . Examination as Prerequisite to Appointment.  — In the absence of special provision, no person shall be appointed to or employed in any position in the classified service until he passes the examination provided therefor. Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 219 Civil-Service Examinations ARTICLE  III [1698-1 ( h ).] ( k ) Detectives, secret agents, sheriffs, and deputy sheriffs. ( l ) Postmasters at Army posts whose compensation does not exceed one thousand two hundred pesos per annum each; and operators and linemen in the Bureau of Posts. ( m ) Postmasters and customs inspectors whose rates of compensation do not exceed six hundred pesos and three hundred and sixty pesos per annum, respectively, and who may lawfully perform the duties of postmaster or customs inspector in connection with othe r official duties or in connection with their private business, such duties of postmaster or inspector requiring only a portion of their time, and postmasters who are required to perform the duties of telegraph operators. ( o ) Laborers whose rate of compensation is seven hundred and twenty pesos or less per annum. ( n ) Hospital internes. (p) All other employees whose rate of compensation is two hundred and forty pesos or less per annum.