Goods and Services Tax implementation prompts extended customs office hours to facilitate import and export operations. Implementation of Goods and Services Tax w.e.f. 1 July 2017 is supported by trade facilitation measures: all CBEC offices will remain open to ensure continuity of import and export processes; Chennai Customs House will remain operational on the weekend immediately following GST commencement; and the Chennai Customs House Service Centre will operate from the midnight prior to GST commencement to assist importers and exporters with filings and procedures.