(a)Scope of protection. Nothing in this Subpart C shall be construed to limit the authority of the Service to commence removal proceedings against an applicant for or beneficiary of Family Unity benefit under this Subpart C on any ground of removal. Also, nothing in this Subpart C shall be construed to limit the authority of the Service to take any other enforcement action against such an applicant or beneficiary with respect to any ground of removal not specified in paragraphs (a)(1) through (a)(4)