41.—Where land is offered for sale by the Irish Land Commission under any statutory power in that behalf vested in them, and—

(a) there is for the time being in force in relation to the land an instrument vesting an interest in the land in a housing authority for the purposes of securing a loan under this Chapter, or

(b) such land is subject to a charge in favour of the housing authority to secure a loan under this Chapter,

the land shall be sold subject to the instrument or charge and to the relevant provisions of this Chapter and any regulations under section 39 of this Act in addition to any charge, incumbrance or liability subject to which the land is, apart from this subsection, required by law to be sold.