(b) In the sale of a one-family or two-family dwelling unit in a project, or of shares in a cooperative or condominium association purchasing a project or part of a project, preference shall be given to buyers in accordance with the following schedule: (1) First preference shall go to persons who are tenants of the project at the time of sale and whose incomes are below the levels for continued occupancy in the project; (2) second preference shall go to persons who are tenants of the project at the time of sale other than those tenants specified in subdivision (1) of this subsection; (3) third preference shall go to applicants who are residents of the community on the waiting list for admission to moderate rental housing projects in the community and whose incomes are below the maximum limits for admission to such moderate rental housing projects; (4) fourth preference shall go to veterans who are residents of the community and whose incomes are below the maximum limits for admission to occupancy of such moderate rental housing projects in the community; (5) fifth preference shall be given to other residents of the municipality, including occupants of publicly-assisted housing projects whose incomes are below the levels for continued occupancy in moderate rental housing projects in the community. No sale or lease of one-family or two-family dwelling units, or of a share in a cooperative or condominium association owning a housing project, originally purchased from the authority according to this section, shall be made to any person who does not meet the qualifications of one or more of the above categories without the approval of the Commissioner of Housing and any deed conveying such dwelling units or housing project shall state this restriction, which shall run with