(1) The prohibitions in sections 11 to 13 are not contravened by a relevant institution crediting a frozen account with -
(a) interest or other earnings due on the account, or
(b) payments due under contracts, agreements or obligations that were concluded or arose before the account became a frozen account.
(2) The prohibitions in sections 12 and 13 on making funds available do not prevent a relevant institution from crediting a frozen account where it receives funds transferred to the account.
(3) The prohibition in section 13 is not contravened by the making of a payment which -
(a) is a benefit under or by virtue of an enactment relating to social security (irrespective of the name or nature of the benefit), and
(b) is made to a person who is not a designated person,
whether or not the payment is made in respect of a designated person.
(4) A relevant institution must inform the Treasury without delay if it credits a frozen account in accordance with subsection (1)(b) or (2).