Where, in relation to any relevant year, a relevant authority has not, before the time specified in article 3, 4 or 5, as the case may be, complied with any condition with which it is required under that article to comply, the Secretary of State may estimate the amount of any payment, including any payment by instalments, payable to that authority in accordance with section 70 of the Act in respect of that year, and may employ for that purpose such criteria as he considers relevant.