34 C.F.R. § 668.195
(a) Eligibility.
(b) Calculating your participation rate index.
(1) Except as provided in paragraph (b)(2) of this section, your participation rate index for a fiscal year is determined by multiplying your cohort default rate for that fiscal year by the percentage that is derived by dividing—
(d) Determination.
(2) If we determine that your participation rate index for a fiscal year is equal to or less than 0.0375, under paragraph (d)(1) of this section, we also excuse you from any subsequent loss of eligibility under § 668.187(a)(2) that would be based on the official cohort default rate for that fiscal year.
(Approved by the Office of Management and Budget under control number 1845-0022)
(Authority: 20 U.S.C. 1082, 1085, 1094, 1099c)