eCFR.io
Daily eCFR

Appendix A to Subpart AA of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart AA

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

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

Appendix A to Subpart AA of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart AA

40 CFR citationRequirementApplies to subpart AAComment
§ 63.1(a)(1) through (4)General ApplicabilityYesNone.
§ 63.1(a)(5)No[Reserved].
§ 63.1(a)(6)Contact informationYesNone.
§ 63.1(a)(7)-(9)No[Reserved].
§ 63.1(a)(10) through (12)Time periodsYesNone.
§ 63.1(b)Initial Applicability DeterminationYesNone.
§ 63.1(c)(1)Applicability After Standard EstablishedYesNone.
§ 63.1(c)(2)PermitsYesSome plants may be area sources.
§ 63.1(c)(3)-(4)No[Reserved].
§ 63.1(c)(5)Area to Major source changeYesNone.
§ 63.1(c)(6)YesNone.
§ 63.1(d)No[Reserved].
§ 63.1(e)Applicability of Permit ProgramYesNone.
§ 63.2DefinitionsYesAdditional definitions in § 63.601.
§ 63.3Units and AbbreviationsYesNone.
§ 63.4(a)(1) and (2)Prohibited ActivitiesYesNone.
§ 63.4(a)(3) through (5)No[Reserved].
§ 63.4(b) and (c)Circumvention/FragmentationYesNone.
§ 63.5(a)Construction/Reconstruction ApplicabilityYesNone.
§ 63.5(b)(1)Existing, New, Reconstructed Sources RequirementsYesNone.
§ 63.5(b)(2)No[Reserved].
§ 63.5(b)(3), (4), and (6)Construction/Reconstruction approval and notificationYesNone.
§ 63.5(b)(5)No[Reserved].
§ 63.5(c)No[Reserved].
§ 63.5(d)Application for Approval of Construction/ReconstructionYesNone.
§ 63.5(e)Approval of Construction/ReconstructionYesNone.
§ 63.5(f)Approval of Construction/Reconstruction Based on State ReviewYesNone.
§ 63.6(a)Compliance with Standards and Maintenance ApplicabilityYesNone.
§ 63.6(b)(1) through (5)New and Reconstructed Sources DatesYesSee also § 63.602.
§ 63.6(b)(6)No[Reserved].
§ 63.6(b)(7)Area to major source changeYesNone.
§ 63.6(c)(1)and (2)Existing Sources DatesYes§ 63.602 specifies dates.
§ 63.6(c)(3) and (4)No[Reserved].
§ 63.6(c)(5)Area to major source changeYesNone.
§ 63.6(d)No[Reserved].
§ 63.6(e)(1)(i) and (ii)Operation & Maintenance RequirementsNoSee § 63.608(b) for general duty requirement.
§ 63.6(e)(iii)YesNone.
§ 63.6(e)(2)No[Reserved].
§ 63.6(e)(3)Startup, Shutdown, and Malfunction PlanNoNone.
§ 63.6(f)Compliance with Emission StandardsNoSee general duty at § 63.608(b).
§ 63.6(g)Alternative StandardYesNone.
§ 63.6(h)Compliance with Opacity/VE StandardsNoSubpart AA does not include VE/opacity standards.
§ 63.6(i)(1) through (14)Extension of ComplianceYesNone.
§ 63.6(i)(15)No[Reserved].
§ 63.6(i)(16)YesNone.
§ 63.6(j)Exemption from ComplianceYesNone.
§ 63.7(a)Performance Test Requirements ApplicabilityYesNone.
§ 63.7(b)NotificationYesNone.
§ 63.7(c)Quality Assurance/Test PlanYesNone.
§ 63.7(d)Testing FacilitiesYesNone.
§ 63.7(e)(1)Conduct of Tests; startup, shutdown, and malfunction provisionsNo§ 63.606 specifies additional requirements.
§ 63.7(e)(2) through (4)Conduct of TestsYes§ 63.606 specifies additional requirements.
§ 63.7(f)Alternative Test MethodYesNone.
§ 63.7(g)Data AnalysisYesNone.
§ 63.7(h)Waiver of TestsYesNone.
§ 63.8(a)Monitoring Requirements ApplicabilityYesNone.
§ 63.8(b)Conduct of MonitoringYesNone.
§ 63.8(c)(1)(i)General duty to minimize emissions and CMS operationNoSee 63.608(b) for general duty requirement.
§ 63.8(c)(1)(ii)YesNone.
§ 63.8(c)(1)(iii)Requirement to develop SSM Plan for CMSNoNone.
§ 63.8(c)(2) through (4)CMS Operation/MaintenanceYesNone.
§ 63.8(c)(5)COMS OperationNoSubpart AA does not require COMS.
§ 63.8(c)(6) through (8)CMS requirementsYesNone.
§ 63.8(d)(1) and (2)Quality ControlYesNone.
§ 63.8(d)(3)Written procedure for CMSNoSee § 63.608 for requirement.
§ 63.8(e)CMS Performance EvaluationYesNone.
§ 63.8(f)(1) through (5)Alternative Monitoring MethodYesNone.
§ 63.8(f)(6)Alternative to RATA TestYesNone.
§ 63.8(g)(1)Data ReductionYesNone.
§ 63.8(g)(2)YesNone.
§ 63.8(g)(3) through (5)YesNone.
§ 63.9(a)Notification Requirements ApplicabilityYesNone.
§ 63.9(b)Initial NotificationsYesNone.
§ 63.9(c)Request for Compliance ExtensionYesNone.
§ 63.9(d)New Source Notification for Special Compliance RequirementsYesNone.
§ 63.9(e)Notification of Performance TestYesNone.
§ 63.9(f)Notification of VE/Opacity TestNoSubpart AA does not include VE/opacity standards.
§ 63.9(g)Additional CMS NotificationsYesSubpart AA does not require CMS performance evaluation, COMS, or CEMS.
§ 63.9(h)(1) through (3)Notification of Compliance StatusYesNone.
§ 63.9(h)(4)No[Reserved].
§ 63.9(h)(5) and (6)YesNone.
§ 63.9(i)Adjustment of DeadlinesYesNone.
§ 63.9(j)Change in Previous InformationYesNone.
§ 63.9(k)YesOnly as specified in § 63.9(j).
§ 63.10(a)Recordkeeping/Reporting-ApplicabilityYesNone.
§ 63.10(b)(1)General Recordkeeping RequirementsYesNone.
§ 63.10(b)(2)(i)Startup or shutdown durationNoNone.
§ 63.10(b)(2)(ii)MalfunctionNoSee § 63.607 for recordkeeping and reporting requirement.
§ 63.10(b)(2)(iii)Maintenance recordsYesNone.
§ 63.10(b)(2)(iv) and (v)Startup, shutdown, malfunction actionsNoNone.
§ 63.10(b)(2)(vi) through (xiv)General Recordkeeping RequirementsYesNone.
§ 63.10(b)(3)General Recordkeeping RequirementsYesNone.
§ 63.10(c)(1)Additional CMS RecordkeepingYesNone.
§ 63.10(c)(2) through (4)No[Reserved].
§ 63.10(c)(5)YesNone.
§ 63.10(c)(6)YesNone.
§ 63.10(c)(7) and (8)YesNone.
§ 63.10(c)(9)No[Reserved].
§ 63.10(c)(10) through (13)YesNone.
§ 63.10(c)(14)YesNone.
§ 63.10(c)(15)Startup Shutdown Malfunction Plan ProvisionsNoNone.
§ 63.10(d)(1)General Reporting RequirementsYesNone.
§ 63.10(d)(2)Performance Test ResultsYesNone.
§ 63.10(d)(3)Opacity or VE ObservationsNoSubpart AA does not include VE/opacity standards.
§ 63.10(d)(4)Progress ReportsYesNone.
§ 63.10(d)(5)Startup, Shutdown, and Malfunction ReportsNoSee § 63.607 for reporting of excess emissions.
§ 63.10(e)(1) and (2)Additional CMS ReportsYesNone.
§ 63.10(e)(3)Excess Emissions/CMS Performance ReportsYesNone.
§ 63.10(e)(4)COMS Data ReportsNoSubpart AA does not require COMS.
§ 63.10(f)Recordkeeping/Reporting WaiverYesNone.
§ 63.11Control Device and Work Practice RequirementsYesNone.
§ 63.12State Authority and DelegationsYesNone.
§ 63.13AddressesYesNone.
§ 63.14Incorporation by ReferenceYesNone.
§ 63.15Information Availability/ConfidentialityYesNone.
§ 63.16Performance Track ProvisionsNoTerminated.

[80 FR 50436, Aug. 19, 2015, as amended at 85 FR 73892, Nov. 19, 2020]