Compliance date
Compliance date means the dates specified in 63.100(k) or (l)(3) for process units subject to subpart F of this part; the dates specified in 63.190(e) for process units subject to subpart I of this part. For sources subject to other subparts in this part that reference this subpart, compliance date will be defined in those subparts. However, the compliance date for 63.170 shall be no later than 3 years after the effective date of those subparts unless otherwise specified in such other subparts.