REVENUE DELEGATION AUTHORITY ORDER NO. 27-2023 issued on October 6, 2023 designates OIC-Deputy Commissioner Maridur V. Rosario of Operations Group as Officer-in-Charge of the Bureau of Internal Revenue from October 9 to 13, 2023 in view of the official travel of Commissioner Romeo D. Lumagui, Jr. on the said dates to attend the 16th Plenary of the Forum on Tax Administration in Singapore.