Where application is made by the carrier for suspension of compensation pursuant to either Texas Civil Statutes, Article 8306, §12a, or Texas Civil Statutes, Article 8307, §4, the question of suspension will be set by the board for hearing within two weeks of said application. No suspension of compensation benefits will be approved by the board, under Texas Civil Statutes, Article 8307, §4a, unless statutory grounds exist for such suspension. No suspension of compensation benefits will be approved by the board, under Texas Civil Statutes, Article 8306, §12a, unless:(1) the injured employee has returned to work; or(2) the injured employee refuses light duty work procured for him in the locality where he was injured or at a place agreeable to him; or(3) the treating physician has released the employee to return to work without physical restrictions relating to the compensable injuries involved.