Section 95 of the Act of 1983 is hereby amended in subsection (1) -

(a) as respects any valuation date (within the meaning assigned by the said subsection (1)) commencing with the year 1983, in the definition of "income" -

(i) by the substitution in paragraph (a) of "sections 340, 353, 354 and 463" for "sections 340, 353 and 354",

(ii) by the insertion in paragraph (a) of "section 18 of the Finance Act, 1970," after "section 37 of the Finance Act, 1968,", and

(iii) by the insertion of the following paragraph after paragraph (e) -

"(ee) income arising from savings bonds duly issued under section 54 of the Finance Act, 1970,",

and the said definition, as so amended, is set out in the Table to this section,

(b) by the insertion, in the definition of "relevant person" of "a person who has attained the age of 65 years and is not an assessable person, or a person who is permanently incapacitated by reason of mental or physical infirmity from maintaining himself and is not an assessable person, or" after "other than", and the said definition, as so amended, is set out in the Table to this section, and