7. For the period beginning on 29th July 2013 and ending on the date on which the new calculation rules come into force for all purposes—
(a)regulation 34(2) of the 2012 Regulations (the general rule for determining gross weekly income) shall be read as if after paragraph (b) there were inserted—
“or
(c)the Secretary of State is unable, for whatever reason, to request or obtain the required information from HMRC.”;
(b)regulation 42(1)(a) of the 2012 Regulations (estimate of current income where insufficient information available) shall be read as if after “34(2)(b) (historic income nil or not available)” there were inserted “or (c) (Secretary of State unable to request or obtain information from HMRC).”;
(c)regulation 69(5) of the 2012 Regulations (non-resident parent with unearned income) shall be read as if after paragraph (b) there were inserted—
“or
(c)the Secretary of State is unable, for whatever reason, to request or obtain the information from HMRC.”.