The Bureau provides its facilities, scientific competence, and technical supervision for defined scientific or technical research by a Research Associate when such research is complementary to and compatible with scientific or technical research being performed or to be undertaken by NIST under its statutory mission and authority. The Sponsors pay the salaries of their Research Associates and Sponsor-furnished technical assistants and secretaries of the Research Associates, if any, their travel costs, and other related expenses. Additionally, Sponsors reimburse NIST for the cost of research equipment, services, or materials obtained for the Research Associate.