(1) In these Regulations, unless the context otherwise requires, the following expressions have the meanings hereby respectively assigned to them:—
“ the appropriate Department ” means :—
in the case of a person whose pension was awarded by the Admiralty, the War Office, the Air Ministry or the Ministry of Defence: the Ministry of Defence;
in the case of a person whose pension was awarded by the Ministry of Pensions and National Insurance or the Ministry of Social Security: the Ministry of Social Security;
in the case of any other person: the Department to which that person belonged;
“ the Board ” means the Pensions Commutation Board ;
“ the commutation rate ” means the amount by which a pension, or a portion of a pension, to be commuted is to be multiplied in order to determine the capital sum to be paid ;
“ pension ” has the meaning assigned to it by section 2 of the Pensions Commutation Act 1871 .
(2) The Interpretation Act 1889 shall apply for the interpretation of these Regulations as it applies for the interpretation of an Act of Parliament.