OTR Extends Service Hours to 8 pm on April 15 to Help Residents Meet Their Tax Obligations Press Releases Uncategorized OTR Extends Service Hours to 8 pm on April 15 to Help Residents Meet Their Tax Obligations adminDC April 14, 2015 0 Monday, April 13, 2015 The Office of Tax and Revenue (OTR) will extend its service hours on... Read More Read more about OTR Extends Service Hours to 8 pm on April 15 to Help Residents Meet Their Tax Obligations