SECTION 1
SECTION 1. All government departments, bureaus, offices, agencies and instrumentalities, including government-owned or controlled corporations, shall adopt and implement the following measures:
a.
Include in all their official letterhead and envelopes the Postal Zip Code Number corresponding to their area;
b.
use the Zip Code in all their external correspondence; and
c.
Instruct and enjoin all their employees to use the Zip Code in their private mail and to promote the use of the same.
SEC. 2
SEC. 2. The heads of all government agencies as mentioned in Section 1 shall issue the corresponding circular or guidelines within their respective agencies to implement the foregoing measures.
This Administrative Order shall take effect immediately.
DONE in the City of Manila, this 16th day of September, in the year of Our Lord, nineteen hundred and ninety-two.
(Sgd.)
FIDEL V. RAMOS
President of the Philippines
By the President:
(Sgd.)
DIONISIO C. DE LA SERNA
Senior Deputy Executive Secretary