E Authorizing and providing for previous employment investigations of applicants for fire protection service positions; specifying employer information disclosure or investigation availability requirements upon request of fire chiefs or fire department administrative heads, requiring disclosure to the applicant of employment information released upon applicant request; authorizing and providing for requests for district court ex parte order issuance for refusal to comply; granting employers immunity from civil liability for the release of requested information; providing for the treatment of confidentiality agreements between employees or former employees and employers; defining employment information (ra, ja)