Advance rulings binding effect and validity under customs law limited to applicant, covered matter, and changing law or facts. Advance rulings under the Customs Act bind only the applicant, only on the matter covered by the advance ruling provisions, and only the Principal Commissioner of Customs or Commissioner of Customs and subordinate customs authorities in relation to that applicant. The ruling remains valid for five years or until a change in law or facts, whichever is earlier. For rulings in force when the Finance Bill, 2026 receives presidential assent, validity may be extended for five years from the date of the ruling on the applicant's request.