REVENUE DELEGATION AUTHORITY ORDER NO. 1-2018 issued on January 24, 2018 revokes Revenue Delegation Authority Order (RDAO) No. 1-2017 and confers to OICDeputy Commissioner of Internal Revenue (DCIR) for Operations Group Arnel SD. Guballa the authority to approve and/or sign the documents listed in RDAO No. 1-2017. The approval of issuance/communication relative to the electronic Tax Information Systems (eTIS) shall revert back to the DCIR-Operations Group. The final approving authority of Closure Order and Lifting Order in relation to Oplan Kandado Program shall be the DCIR-Operations Group. .