21.— Section 187 (amended by section 12 of the Social Welfare and Pensions (No. 2) Act 2009) of the Principal Act is amended in the definition of “qualified adult”—

(a) by substituting the following for paragraph (a):

“(a) in relation to the beneficiary—

(i) the spouse of the beneficiary who is being wholly or mainly maintained by the beneficiary,

(ii) the civil partner of the beneficiary who is being wholly or mainly maintained by the beneficiary, or

(iii) the cohabitant of the beneficiary who is being wholly or mainly maintained by the beneficiary,

or”,

(b) in paragraph (b)(iii), by substituting “widower,” for “widower, or”,

(c) in paragraph (b)(iv), by substituting “the married person’s spouse,” for “the married person’s spouse;”, and

(d) inserting the following subparagraphs after paragraph (b)(iv):

“(v) a surviving civil partner, or

(vi) a civil partner who is not living with and is neither wholly nor mainly maintaining, nor being wholly or mainly maintained by, his or her civil partner;”.