Section 22-3-7-21 - Awards; disqualification(a) No compensation is allowed for any condition of physical or mental ill-being, disability, disablement, or death for which compensation is recoverable on account of accidental injury under chapters 2 through 6 of this article.(b) No compensation is allowed for any disease or death knowingly self-inflicted by the employee, or due to his intoxication, his commission of an offense, his knowing failure to use a safety appliance, his knowing failure to obey a reasonable written or printed rule of the employer which has been posted in a conspicuous position in the place of work, or his knowing failure to perform any statutory duty. The burden of proof is on the defendant.(Formerly: Acts 1937, c.69, s.14.) As amended by Acts1978 , P.L. 2, SEC.2212.