Notwithstanding any other provision of law, a responding political subdivision shall provide appropriate workers' compensation insurance protection for municipal employees and volunteers representing the responding political subdivision when responding to a request under this system. Personnel of a responding political subdivision who sustain injury or death in the course of and arising out of their employment shall be entitled to all applicable benefits normally available to personnel while performing their duties for their employer. Responders shall receive any additional Federal and State benefits that may be available to them for line-of-duty deaths.