40 CFR §63.8995

1. (a)If you have a new or reconstructed affected source, you must comply with this subpart according to paragraphs (a)(1) or (2) of this section.
   1. (1)If you start up your affected source before April 17, 2003, you must comply with the emission limitations and work practice standards in this subpart no later than April 17, 2003.
   2. (2)If you start up your affected source after April 17, 2003, you must comply with the emission limitations and work practice standards in this subpart upon startup of your affected source.
2. (b)If you have an existing affected source, you must comply with the emission limitations and work practice standards no later than 3 years after April 17, 2003.
3. (c)If you have an area source that increases its emissions or its potential to emit such that it becomes a major source of HAP, the provisions in paragraphs (c)(1) and (2) of this section apply.
   1. (1)Any portion of the existing facility that is a new affected source or a new reconstructed source must be in compliance with this subpart upon startup.
   2. (2)All other parts of the source must be in compliance with this subpart no later than the date 3 years after the area source becomes a major source.
4. (d)You must meet the notification requirements in § 63.9045 according to the schedule in § 63.9045 and in subpart A of this part. Some of the notifications must be submitted before you are required to comply with the emission limitations in this subpart.