(a) Notwithstanding any provision of this code to the contrary, if a person is alleged to have committed a violation of the provisions of subsection (a) or (b), section twenty-eight, article two, chapter sixty-one of this code against a family or household member, in addition to any other authority to arrest granted by this code, a law-enforcement officer has authority to arrest that person without first obtaining a warrant if:
(1) The law-enforcement officer has observed credible corroborative evidence that an offense has occurred; and either: