The Secretary, acting through the Service, may utilize the negotiating authority of section
47 of this title, to give preference to any Indian or any enterprise, partnership, corporation, or other type of business organization owned and controlled by an Indian or Indians including former or currently federally recognized Indian tribes in the State of New York (hereinafter referred to as an “Indian firm”) in the construction and renovation of Service facilities pursuant to section
1631 of this title and in the construction of safe water and sanitary waste disposal facilities pursuant to section
1632 of this title. Such preference may be accorded by the Secretary unless he finds, pursuant to rules and regulations promulgated by him, that the project or function to be contracted for will not be satisfactory or such project or function cannot be properly completed or maintained under the proposed contract. The Secretary, in arriving at his finding, shall consider whether the Indian or Indian firm will be deficient with respect to