15.—(1) Where a claim for universal credit is made by a person who was previously entitled to an existing benefit, regulation 26 of the Claims and Payments Regulations (time within which a claim for universal credit is to be made) applies in relation to that claim with the modification specified in paragraph (2).
(2) In paragraph (3) of regulation 26, after sub-paragraph (a) insert—
“(aa)the claimant was previously in receipt of an existing benefit (as defined in the Universal Credit (Transitional Provisions) Regulations 2014) and notification of expiry of entitlement to that benefit was not sent to the claimant before the date that the claimant's entitlement expired;”.