schedule and special conditions: A messenger may be granted fifteen days' vacation leave, but only after at least one year's continuous, faithful, and satisfactory service, and no substitute messenger shall be employed during the absence of any messenger to whom leave has been granted in  accordance with this provision. AaECSH A municipal treasurer and deputy provincial treasurer, or a township treasurer and deputy provincial treasurer, may be granted twenty-one days' vacation leave, but subject to the conditions that no person or persons not already in the municipal or provinci al treasury service shall be employed merely in order that such leave may be granted, that no person designated to act in the place of the regular incumbent during any period of leave granted under this provision shall receive additional compensation theref or, and that the salary and all proper expenses of the acting officer shall in such cases be paid by the province, municipality, or township concerned in the same ratio in which payment of salary of the regular incumbent is authorized. aHcDEC A telegraph operator of the Bureau of Posts may be granted twenty-one days' vacation leave, after at least one year of continuous, faithful, and satisfactory service, effective the first of January, nineteen hundred and seventeen. [2626.] SECTION  364 . When Vacation Leave to be Taken . — Vacation leave must be taken within the calendar year in which it is earned. The vacation leave allowable for one year of service, and no more, may be allowed in connection with accrued leave granted. In case s of resignation, vacation leave shall not be allowed in addition to accrued leave. CSTEHI [1698-24.] S ECTION  365 . Leave to Go Abroad — Half Pay and Travel Allowance. —  When an employee entitled to accrued leave has served in the Islands for three years or more and has accumulated to his credit the accrued leave allowed for two full years, he may, in the d iscretion of the proper Department head, but not oftener than once in each period of three years, be granted permission to go abroad, with the half-pay and travel-expense allowances hereinbelow specified: TEcCHD Sundry Provisions Applicable to Persons Entitled to Accrued Leave or Teacher's Leave ARTICLE  V Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 120