---
kind: "section"
citation: "30 C.F.R. § 700.15"
title: "30"
number: "700.15"
heading: "Computation of time."
url: "https://uscodex.org/cfr/30/700.15"
---

# §700.15. Computation of time.

- (a) **Except as otherwise provided, computation of time under this chapter is based on calendar days.**
- (b) In computing any period of prescribed time, the day on which the designated period of time begins is not included. The last day of the period is included unless it is a Saturday, Sunday, or legal holiday on which the regulatory authority is not open for business, in which event the period runs until the end of the next day which is not a Saturday, Sunday, or legal holiday.
- (c) Intermediate Saturdays, Sundays, and legal holidays are excluded from the computation when the period of prescribed time is 7 days or less.

## Notes

### Authority

Authority: 30 U.S.C. 1201 et seq.

### Source

Source: 44 FR 15313, Mar. 13, 1979, unless otherwise noted.