REVENUE DELEGATION AUTHORITY ORDER NO. 6-2023 issued on April 20, 2023 designates Assistant Commissioner Ma. Luisa I. Belen of Assessment Service as Officer-in-Charge of the Operations Group and gives her the authority to sign several documents specified in the Order in view of the approved leave of absence of OIC-Deputy Commissioner Maridur V. Rosario of Operations Group from April 21 to 27, 2023.