(a) has been a tenant of public housing for not less than 30 days immediately prior to the sale; provided, however, that residents of public housing with the longest tenure shall be given priority in the sale of public housing units;
(b) has made application for homeownership under an approved plan;
(c) qualifies as a low-income family and has not purchased low or moderate income housing under this chapter or any other existing housing program available in the territory;
(d) is current in all of their rental or lease obligations for a period of not less than six months prior to the conveyance of title;
(e) has completed not less than 15 hours of instruction in the responsibilities of homeownership, which instruction has been provided without charge by the Authority or the Department;
(f) has met minimum income requirements that will enable the homeowner to meet his financial obligations; and
(g) shall be a first-time purchaser.