7. Section 21 of the principal enactment is hereby-amended by the repeal of subsection (6) thereof and the substitution therefor of the following subsection : -
" (6) Where the employer of an injured workman offers to him the services of a registered medical practitioner free of charge and-
| | (a) the workman accepts such offer but deliberately disregards the instructions of the registered medical practitioner, or | | |
| | (b) the workman refuses to accept such offer and thereafter either fails to take treatment regularly from a registered medical practitioner or whilst being regularly attended by a registered medical practitioner deliberately disregards the instructions of such practitioner, | | |
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