Article 21 Forfeiture of allowances
Subject to the provisions of paragraph (2) of this article, if a claimant or beneficiary—
fails without reasonable cause to comply with any requirement of articles 16, 17 or 19 of this scheme he shall, if the appropriate determining authority so decides, forfeit any allowance which would, apart from this sub-paragraph, be payable in respect of periods of such failure;
wilfully obstructs, or is guilty of other misconduct in connection with any medical or any other examination which he is required under article 17 of this scheme to undergo, or with any proceedings under this scheme for the determination of his right to an allowance or to the receipt thereof, he shall forfeit, for such period as the appropriate determining authority shall determine, any allowance which would, apart from this paragraph, be payable.
Nothing in this article providing for forfeiture of an allowance for failure to undergo medical or other examination or for obstruction or misconduct in connection with such examination shall authorise the disentitlement of the person concerned for a period exceeding 6 weeks on any forfeiture.