GST implementation in Customs: 24x7 helpdesk established to resolve procedural and technical GST-in-Customs issues for trade. A 24*7 helpdesk at New Custom House is established to provide procedural and technical guidance on GST-related Customs matters, including Bills of Entry issues, Shipping Bill and GSTIN identification, export invoice terms, drawback declaration changes, container/transitory provisions, levy and collection of IGST and declarations of CETH, and queries on IGST, CVD, Compensation Cess, NCCD and other cesses. Two alternating teams of officers with listed contacts will staff the helpdesk; Mumbai Customs Zone-1 website and ICEGATE channels will host information and offer additional round-the-clock support. The notice applies across the Zone-1 formations.