(b) any property for which benefits have been granted for industrial construction work is being used as commercial property, or (c) any industrial or commercial property is being used as residential or mixed-use property, or (d) all or part of the nonresidential portion of mixed-use property is being used as residential property; 5. To make and promulgate a rule that increases up to fifty percent the amount of the minimum required expenditure required under this title, if, after consultation with the deputy mayor for economic development and planning, the commissioner determines that a greater minimum required expenditure is required to encourage significant industrial and commercial development; and 6. To make and promulgate any other rules to carry out the purposes of this title. Such rules shall provide that for construction work, recipients of benefits and their contractors shall be equal opportunity employers and may also provide that persons employed in the construction work shall implement a training program for economically disadvantaged persons enrolled or eligible to be enrolled in training programs approved by the department of labor.