(a) cibé acu a dhéanfar nó nach ndéanfar iad a mheasúnú ar leithligh i leith forchánach, is é asbhaint a bheidh le baint as a n-ioncam iomlán an asbhaint a dhéanfaí dá mba nach ndearnadh aon mheasúnacht ar leithligh;
( a ) whether or not they are separately assessed to sur-tax, the deduction to be made from their total income shall be the same as if there were no separate assessment;
C2