5. The right to the complementary indemnity may be refused, discontinued or suspended in the case of the worker contemplated in section 2 who, without valid reason:(a) refuses a new employment which is offered to him by the Commission;
(b) leaves such an employment although he could continue to hold it;
(c) refuses or neglects to avail himself of the training, rehabilitation or treatment measures made available to him;
(d) refuses or neglects to avail himself of the benefits he is entitled to by virtue of any agreement or any other act; or
(e) refuses or neglects to furnish the information required for the application of this act.