Grounds of application for financial provisionN.I.
3. Either party to a marriage may apply to the court for an order under Article 4 on the ground that the other party to the marriageF1. . .
(a)has failed to provide reasonable maintenance for the applicant; or
(b)has failed to provide, or to make a proper contribution towards, reasonable maintenance for any child of the family; or
(c)has, since the date of the marriage, committed adultery; or
(d)has behaved in such a way that the applicant cannot reasonably be expected to live with the respondent; or
(e)has deserted the applicant.