Certificates for lower tax withholding enable AO-issued rates or nil deduction and proportionate nonresident withholding relief.
Clause creates an AO-issued certificate system permitting payees, buyers/licensees/lessees and payers to obtain prescribed-form certificates altering the rate (or, under the Act, rate or nil deduction) at which tax is deducted or collected; for non-salary payments to non-residents the payer may seek a proportionate determination of the taxable part; deductors/collectors must issue prescribed documentary certificates to deductees/collectees and the AO may cancel certificates after affording a reasonable opportunity, with detailed forms, validity and procedures left to rules.