Any person who knowingly violates any provision of Sec. 429.102(a) of this part may be subject to assessment of a civil penalty of no more than $200 for each violation. As to Sec. 429.102(a)(1) with respect to failure to certify, and as to Sec. 429.102(a)(2), (5) through (9), each unit of a covered product or covered equipment distributed in violation of such paragraph shall constitute a separate violation. For violations of Sec. 429.102(a)(1), (3), and (4), each day of noncompliance shall constitute a separate violation for each basic model at issue.