(1) When a registered dealer applies to the appropriate assessing authority for cancellation of his certificate of registration, such registered dealer shall surrender all unused blank way bill Forms held in his stock to such authority.
(2) The appropriate assessing authority shall cancel all unused blank way bill Forms surrendered to him by the registered dealer at the time of cancellation of his registration under sub-section (1) of section 29.
(3) Where the appropriate assessing authority cancels, on its own motion registration of a dealer under sub-section (1) of section 29 with an intimation to him, such dealer shall, within fourteen days from the date of receipt of intimation, surrender all unused blank way bills Forms held in his stock and such authority shall, thereupon cancel such Forms.
(4) If any registered dealer who has any unused way bill Form referred to in rule 100, rule 103, or rule 104, or rule 108, in his stock, does not intend to use such form for any reason, he shall surrender such way bill Form immediately to the appropriate assessing authority for cancellation of such Form.