Section 3 (amended by section 16 of the Act of 2010) of the Principal Act is amended by the substitution of the following subsection for subsection (10):

"(10) For the purposes of sections 43, 56, 66, 76, 77A, 102, 112, 117, 122, 134, 141(2)(d), 146, 149(4), 150(3), 158, 161D, 181(4), 210(2), 211(3), 214(2), 216, 219(2), 250(2)(b), 297 and 298, Chapter 9 of Part 3 and Part 7A -

(a) 'spouse' means each person of a married couple who are living together, and

(b) 'civil partner' means each civil partner of a couple who are both parties to a civil partnership who are living together.".