Result of Review. If, as a result of a periodic review in compliance with this section, the planning commission finds and determines, on the basis of substantial evidence, that the applicant and/or the successor(s)-in-interest, as applicable, has not complied in good faith with the terms or conditions of the agreement, the planning officer shall notify the applicant and/or their successor(s)-in-interest of the findings by certified mail. The notification shall state that failure to comply within a period specified, but in no event less than 30 days, may result in legal action to enforce compliance, termination, or modification of the development agreement.