(1) For the purposes of this section -

(a) the value of land shall be taken to be fifty times the rateable valuation thereof,

(b) the value of any periodical payment to which land is subject shall be taken to be fifteen times the annual amount thereof, and

(c) the value of any other periodical payment shall be taken to be twenty times the annual amount thereof.

(2) Whenever any of the circumstances specified in subsection (1) of section 47 exist in relation to any charitable gift, the Board, if they think fit, may by order frame a scheme for the application cy-près of the property comprised in the charitable gift,

(3) Where -

(a) a charitable gift of any value has been made for the benefit of poor debtors formerly imprisoned in Ireland, and

(b) any of the circumstances specified in subsection (1) of section 47 exist in relation to the charitable gift,

the Board, if they think fit, may by order frame a scheme for the application cy-près of the property comprised in the charitable gift.

(4) Where -