REVENUE DELEGATION AUTHORITY ORDER NO. 4-2023 issued on March 22, 2023 delegates to OIC-Assistant Regional Director Antonino L. Ilagan of Revenue Region (RR) No. 7A-Quezon City the authority to sign the documents specified in the Order in view of the approved leave of absence of RR 7A Regional Director Mahinardo G. Mailig from May 6 to 19, 2023.