eCFR.io
Daily eCFR

Table 1 to Subpart DDD of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart DDD of Part 63

Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart DDD of Part 63

CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

Table 1 to Subpart DDD of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart DDD of Part 63

General provisions

citation
RequirementApplies to subpart DDD?Explanation
§ 63.1(a)(1)-(6)General ApplicabilityYes
§ 63.1(a)(7)-(9)No[Reserved].
§ 63.1(a)(10)-(12)Yes
§ 63.1(b)(1)Initial Applicability DeterminationYes
§ 63.1(b)(2)No[Reserved].
§ 63.1(b)(3)Yes
§ 63.1(c)(1)-(2)Applicability After Standard EstablishedYes
§ 63.1(c)(3)-(4)No[Reserved].
§ 63.1(c)(5)-(e)Yes
§ 63.2DefinitionsYes
§ 63.3Units and AbbreviationsYes
§ 63.4(a)(1)-(2)Prohibited ActivitiesYes
§ 63.4(a)(3)-(5)No[Reserved].
§ 63.4(b)-(c)Yes
§ 63.5(a)(1)-(b)(2)Construction/Reconstruction ApplicabilityYes
§ 63.5(b)(3)-(4)Yes
§ 63.5(b)(5)No[Reserved].
§ 63.5(b)(6)Yes
§ 63.5(c)No[Reserved].
§ 63.5(d)-(f)Yes
§ 63.6(a)-(d)Yes
§ 63.6(e)(1)(i)General Duty to Minimize EmissionsNoSee § 63.1180(d) for general duty requirement.
§ 63.6(e)(1)(ii)Requirement to Correct Malfunctions As Soon As PossibleNo§ 63.1187(b) specifies additional requirements.
§ 63.6(e)(1)(iii)Yes
§ 63.6(e)(2)No[Reserved].
§ 63.6(e)(3)Startup, Shutdown, Malfunction (SSM) PlanNoStartups and shutdowns addressed in § 63.1197.
§ 63.6(f)(1)SSM ExemptionNo
§ 63.6(f)(2)-(g)Yes
§ 63.6(h)(1)SSM ExemptionNo
§ 63.6(h)(2)-(j)Yes
§ 63.7(a)-(d)Performance Testing RequirementsYes
§ 63.7(e)(1)Conduct of Performance TestsNoSee § 63.1180.
§ 63.7(e)(2)-(f)Yes
§ 63.7(g)(1)Data Analysis, Recordkeeping, and ReportingYes
§ 63.7(g)(2)No[Reserved].
§ 63.7(g)(3)-(h)Yes
§ 63.8(a)-(b)Monitoring RequirementsYes
§ 63.8(c)(1)(i)General Duty to Minimize Emissions and CMS OperationNoSee § 63.1180(e) for general duty requirement.
§ 63.8(c)(1)(ii)Yes
§ 63.8(c)(1)(iii)Requirement to Develop SSM Plan for CMSNo
§ 63.8(c)(2)-(d)(2)Yes
§ 63.8(d)(3)Written Procedures for CMSYes, except for last sentence, which refers to SSM plan. SSM plans are not required.
§ 63.8(e)-(g)Yes
§ 63.9(a)Applicability and General InformationYes
§ 63.9(b)(1)-(2)Initial NotificationsYes
§ 63.9(b)(3)No[Reserved].
§ 63.9(b)(4)-(b)(5)Yes
§ 63.9(c)-(j)Yes
§ 63.9(k)YesOnly as specified in § 63.9(j).
§ 63.10(a)Recordkeeping and Reporting RequirementsYes
§ 63.10(b)(1)General Recordkeeping RequirementsYes
§ 63.10(b)(2)(i)Recordkeeping of Occurrence and Duration of Startups and ShutdownsNo
§ 63.10(b)(2)(ii)Recordkeeping of MalfunctionsNoSee § 63.1193(c) for recordkeeping of (ii) occurrence and duration and (iii) actions taken during malfunction.
§ 63.10(b)(2)(iii)Maintenance RecordsYes
§ 63.10(b)(2)(iv)-(v)Actions Taken to Minimize Emissions During SSMNo
§ 63.10(b)(2)(vi)Recordkeeping for CMS MalfunctionsYes
§ 63.10(b)(2)(vii)-(xiv)Other CMS RequirementsYes
§ 63.10(b)(3)Recordkeeping Requirement for Applicability DeterminationsYes
§ 63.10(c)(1)-(6)Additional Recordkeeping Requirements for Sources with CMSYes
§ 63.10(c)(7)-(8)Additional Recordkeeping Requirements for CMS—Identifying Exceedances and Excess EmissionsYes
§ 63.10(c)(9)No[Reserved].
§ 63.10(c)(10)-(11)NoSee § 63.1192 for recordkeeping of malfunctions.
§ 63.10(c)(12)-(14)Yes
§ 63.10(c)(15)Use of SSM PlanNo
§ 63.10(d)(1)-(4)General Reporting RequirementsYes
§ 63.10(d)(5)SSM ReportsNoSee § 63.1193(f) for reporting of malfunctions.
§ 63.10(e)-(f)Additional CMS Reports Excess Emission/CMS Performance Reports COMS Data Reports Recordkeeping/Reporting WaiverYes
§ 63.11(a)-(b)Control Device Requirements Applicability FlaresNoFlares will not be used to comply with the emissions limits.
§ 63.11(c)Alternative Work Practice for Monitoring Equipment for LeaksYes
§ 63.11(d)Alternative Work Practice StandardYes
§ 63.11(e)Yes
§ 63.12State Authority and DelegationsYes
§ 63.13AddressesYes
§ 63.14Incorporation by ReferenceYes
§ 63.15Information Availability/ConfidentialityYes
§ 63.16Performance Track ProvisionsYes

[80 FR 45331, July 29, 2015, as amended at 85 FR 73897, Nov. 19, 2020; 85 FR 84262, Dec. 28, 2020]