| Reference
| Applies to subpart II
| Comment
| 63.1(a)(1)-(3) | Yes. | | 63.1(a)(4) | Yes | Subpart II clarifies the applicability of each paragraph in subpart A to sources subject to subpart II.
| 63.1(a)(5)-(7) | Yes
| | 63.1(a)(8) | No | Discusses State programs.
| 63.1(a)(9)-(14) | Yes
| | 63.1(b)(1) | Yes | § 63.781 specifies applicability in more detail.
| 63.1(b)(2)-(3) | Yes
| | 63.1(c)-(e) | Yes
| | 63.2 | Yes | Additional terms are defined in § 63.782; when overlap between subparts A and II occurs, subpart II takes precedence.
| 63.3 | Yes | Other units used in subpart II are defined in that subpart.
| 63.4 | Yes
| | 63.5(a)-(c) | Yes
| | 63.5(d) | Yes | Except information on control devices and control efficiencies should not be included in the application unless an add-on control system is or will be used to comply with subpart II in accordance with § 63.783(c).
| 63.5(e)-(f) | Yes
| | 63.6(a)-(b) | Yes
| | 63.6(c)-(d) | Yes | Except § 63.784(a) specifies the compliance date for existing affected sources.
| 63.6(e)(1)(i) | No | See § 63.783(b)(1) for general duty requirement.
| 63.6(e)(1)(ii) | No.
| | 63.6(e)(1)(iii) | Yes.
| | 63.6(e)(2) | No | Section reserved.
| 63.6(e)(3) | No.
| | 63.6(f)(1) | No.
| | 63.6(f)(2)-(f)(3) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then this section does apply.
| 63.6(g) | No | § 63.783(c) specifies procedures for application and approval of alternative means of limiting emissions.
| 63.6(h) | No | Subpart II does not contain any opacity or visible emission standards.
| 63.6(i)-(j) | Yes
| | 63.7(a)-(d) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then these sections do apply.
| 63.7(e)(1) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then see § 63.786(e).
| 63.7(e)(2)-(e)(4) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then these sections do apply.
| 63.8 | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then this section does apply, with the exception of § 63.8(c)(1)(i), § 63.8(c)(1)(iii), and the last sentence of § 63.8(d)(3).
| 63.9(a)-(d) | Yes | § 63.787(a) extends the initial notification deadline to 180 days. § 63.787(b) requires an implementation plan to be submitted with the initial notification.
| 63.9(e) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then this paragraph does apply.
| 63.9(f) | No | Subpart II does not contain any opacity or visible emission standards
| 63.9(g)-(h) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c) then these paragraphs do apply.
| 63.9(i)-(k) | Yes | § 63.9(k) only as specified in § 63.9(j).
| 63.10(a) | Yes.
| | 63.10(b)(1) | Yes.
| | 63.10(b)(2)(i) | No.
| | 63.10(b)(2)(ii) | No | See § 63.788(b)(5) for recordkeeping of occurrence, duration, and actions taken during malfunctions.
| 63.10(b)(2)(iii) | Yes.
| | 63.10(b)(2)(iv)-(b)(2)(v) | No.
| | 63.10(b)(2)(vi)-(b)(2)(xiv) | Yes.
| | 63.10(b)(3) | Yes.
| | 63.10(c)(1)-(9) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then these sections do apply.
| 63.10(c)(10)-(11) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then see § 63.788(b)(5) for records of malfunctions.
| 63.10(c)(12)-(14) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then these sections do apply.
| 63.10(c)(15) | No.
| | 63.10(d)(1)-(4) | Yes.
| | 63.10(d)(5) | No | See § 63.788(c) for reporting malfunctions.
| 63.10(e) | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then this paragraph does apply.
| 63.10(f) | Yes
| | 63.11 | No | If an alternative means of limiting emissions (e.g., an add-on control system) is used to comply with subpart II in accordance with § 63.783(c), then this section does apply.
| 63.12-63.15 | Yes | |
