Which employer liable for compensation of employee; contribution not required from nonliable employer.

Where compensation is payable under this article, the only employer liable, if any, shall be the employer in whose employment the employee was last exposed within a period of five years prior to the date of the injury, to the hazards of said radiation, in each of at least 12 months. The employer who is liable shall not be entitled to contribution from any other employer of such employee.

(Acts 1967, No. 521, p. 1245.)