[ OP MEMORANDUM CIRCULAR NO. 57, November 15, 2013 ]

DIRECTING ALL DEPARTMENT SECRETARIES AND HEADS OF AGENCIES, BUREAUS, OR OFFICES OF THE GOVERNMENT, INCLUDING GOVERNMENT- OWNED AND -CONTROLLED CORPORATIONS, AND AUTHORIZING AND ENCOURAGING LOCAL GOVERNMENT UNITS, TO MOBILIZE THEIR RESPECTIVE OFFICIALS AND EMPLOYEES IN THE RELIEF AND REHABILITATION EFFORTS IN RESPONSE TO THE CALAMITY ARISING FROM TYPHOON YOLANDA