173Effect of registering repayment charges etc.
(1)A registered repayment charge is conclusive evidence that the charge specified in it has been created in respect of the living accommodation specified in it.
(2)A registered repayment charge constitutes a charge on the living accommodation specified in it and has priority over—
(a)all future burdens and incumbrances on the same living accommodation, and
(b)all existing burdens and incumbrances on the same living accommodation except any charges created or arising under—
(i)any provision of the Public Health (Scotland) Act 1897 (c. 38) or any Act amending that Act,
(ii)any local Act authorising a charge for recovery of expenses incurred by a local authority,
(iii)Schedule 9 of the 1987 Act,
(iv)section 172, or
(v)any Act authorising advances of public money.
(3)A registered repayment charge is enforceable at the instance of the local authority against any person deriving title to the charged living accommodation.
(4)But it is not enforceable against—
(a)a third party who acquires right to the charged living accommodation (whether title has been completed or not) in good faith and for value before the repayment charge is registered, or
(b)any person deriving title from such third party.
(5)A registered discharge of a repayment charge is conclusive evidence that the charge concerned has been discharged.