34 C.F.R. § 674.41
(a) General. Each institution shall exercise due diligence in collecting loans by complying with the provisions in this subpart. In exercising this responsibility, each institution shall, in addition to complying with the specific provisions of this subpart—
(b) Coordination of information. An institution shall ensure that information available in its offices (including the admissions, business, alumni, placement, financial aid and registrar's offices) is provided to those offices responsible for billing and collecting loans, in a timely manner, as needed to determine—
(4) The current name, address, telephone number and Social Security number of the borrower.
(Approved by the Office of Management and Budget under control number 1845-0023)
(Authority: 20 U.S.C. 424, 1087cc)
[52 FR 45555, Nov. 30, 1987, as amended at 59 FR 61411, Nov. 30, 1994; 64 FR 58312, Oct. 28, 1999]