The South Dakota Department of Revenue will host office hours in Gregory to assist taxpayers. The office is located at the Gregory City Hall. Taxpayers may visit the remote office for assistance with completing tax returns, obtaining a sales tax license and general questions. Office hours will be from 10:30am-2:30pm on September 13th, October 11th, November 8th and December 13th. Appointments can be made by calling 668-2939.