Advance ruling applications clarify tax treatment and classification, eligibility for registration, and input tax credit admissibility. Applications for an advance ruling must be made in the prescribed form, manner and fee, stating the specific question sought. Eligible questions are limited to classification of goods or services; applicability of notifications; determination of time and value of supply; admissibility of input tax credit; liability to pay tax; registration requirement; and whether a particular act amounts to a supply within the statutory meaning.