Enforcement Action. The Building Commissioner, upon a written complaint of any citizen of Fitchburg or owner of property within Fitchburg or upon such Commissioner's own initiative, shall institute any appropriate action or proceedings in the name of the City of Fitchburg to prevent, correct, restrain or abate violation of this chapter. In the case where the Building Commissioner is requested, in writing, to enforce this chapter against any person allegedly in violation of the same and the Commissioner declines to act, the Commissioner shall notify, in writing, the party requesting such enforcement of any action or refusal to act, and the reasons therefor, within 14 days of receipt of such request.