(1)Where after the commencement of this Act a person dies domiciled in England and Wales and is survived by any of tile following persons:—
(a)the wife or husband of the deceased;
(b)a former wife or former husband of the deceased who has not remarried;
(c)a child of the deceased;
(d)any person (not being a child of the deceased) who, in the case of any marriage to which the deceased was at any time a party, was treated by the deceased as a child of the family in relation to that marriage;
(e)any person (not being a person included in the foregoing paragraphs- of this subsection) who immediately before the death of the deceased was being maintained, either wholly or partly, by the deceased;
that person may apply to the court for an order under section 2 of tins Act on the ground that the disposition of the deceased's estate effected by his will or the law relating to intestacy, or the combination of his will and that law, is not such as to make reasonable financial provision for the applicant.
(2)In this Act " reasonable financial provision "—
(a)in the case of an application made by virtue of subsection (1)(a) above by the husband or wife of the deceased (except where the marriage with the deceased was the subject of a decree of judicial separation and at the date Of death the decree was in force and the separation was continuing), means such financial provision as it would be reasonable in all the circumstances of the case for a husband or wife to receive, whether or not that provision is required for his or her maintenance;
(b)in the case of any other application made by virtue of subsection (1) above, means such financial provision as it would be reasonable in all the circumstances of the case for the applicant to receive for his maintenance.
(3)For the purposes of subsection (1)(e) above, a person shall be treated as being maintained by the deceased, either wholly or partly, as the case may be, if the deceased, otherwise than for full valuable consideration, was making a substantial contribution in money or money's worth towards the reasonable needs of that person.