Self-declaration Forms 15G/15H: e filing procedures and quarterly upload deadlines set, with a transitional single deadline for earlier receipts. The notification clarifies that under Section 197A and Rule 29C payers must follow prescribed formats, verification standards and unique identification procedures for Form 15G/15H, and it sets quarterly due dates for uploading declarations to the government e filing portal; a transitional requirement mandates uploading declarations received in the interim period by the single specified compliance deadline using the prescribed format and portal.