GST - Extension of due date for furnishing FORM GSTR-3B for the month of July, 2025 for the taxpayers registered in the districts of Mumbai (City), Mumbai (sub-urban), Thane, Raigad and Palghar Notification No. 12/2025–Central Tax, dtd. 20-8-2025 [F. No. CBIC-20006/45/2025-GST] GST - Advisory–System Enhancement for Order—Based Refunds Advisory, dtd. 28-8-2025 GST - Advisory on Extension of GSTR-3B Due Date in Few Districts of Maharashtra State Advisory, dtd. 21-8-2025 Customs - Validation of BIS Registration at Time of Clearance, Reg. Instruction No. 27, 2025-Customs, dtd. 26-8-2025 [F. No.401/77/2023-Cus.III] Customs - Seeks to Prescribe BCD and AIDC on Raw Cotton for a Specified Period Notification No. 35/2025-Customs, dtd. 18-8-2025 [F. No. CBIC-190354/288/2021-TO(TRU-I)] Customs - Seeks to Extend Custom Duty Exemption on Raw Cotton Notification No. 36/2025-Customs, dtd. 28-8-2025 [F. No. CBIC-190354/288/2021-TO(TRU-I)] Customs - Fixation of Tariff Value of Edible Oils, Brass, Scrap, Areca Nut, Gold and Silver Notification No. 50/2025-Customs (N.T.), dtd. 14-8-2025 [F. No. 467/01/2025-Cus.V] Customs - Amendment to Notification No. 77/2023-Customs (N.T.)—Revision of AIR of Duty Drawback of Gold Jewellery and Silver Jewellery Articles Notification No. 51/2025-Customs (N.T.), dtd. 25-8-2025 [F.No. 605/13/2023-(DBK)] Customs - Fixation of Tariff Value of Edible Oils, BrassScrap, Areca Nut, Gold and Silver Notification No. 52/2025-Customs (N.T.), dtd. 29-8-2025 [F. No. 467/01/2025-Cus.V] Customs - Seeks to Extend Imposition of Anti Dumping Duty on Imports of “Toluene Di-Lsocyanate (TDI)” Originating in or Exported from European Union and Saudi Arabia Notification No. 28/2025-Customs (ADD), dtd. 19-8-2025 [F. No. CBIC-190349/32/2025-TRU Section-CBEC]