GST on specified button goods remains chargeable under Schedule 3 until the stated expiry date. A GST @ 18% applies to button goods classified under headings 9606 21 00, 9606 22 00, 9606 29, and 9606 30 as Schedule 3 items until 21-09-2025. Covered goods comprise plastic buttons not covered with textile material, base metal buttons, coconut shell buttons, and button blanks, designating their taxable classification and the period of applicability under the Schedule 3 GST regime.