---
kind: "section"
citation: "40 C.F.R. § 63.11872"
title: "40"
number: "63.11872"
heading: "What is the relationship to other subparts in this part?"
url: "https://uscodex.org/cfr/40/63.11872"
---

# §63.11872. What is the relationship to other subparts in this part?


After the applicable compliance date specified in § [63.11875(a)](/cfr/40/63.11875.md?p=a), [(b)](/cfr/40/63.11875.md?p=b) or [(c)](/cfr/40/63.11875.md?p=c), an affected source that is also subject to the provisions of other subparts in [40 CFR part 60](/cfr/40/part60.md) or this part is required to comply with this subpart and any other applicable subparts in [40 CFR part 60](/cfr/40/part60.md) or this part.


## Notes

### Source

Source: 77 FR 22906, Apr. 17, 2012, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.