No structural alteration, addition or renewal shall be made in or to any boiler registered under this Act unless such alteration, addition or renewal has been sanctioned in writing by the Chief Inspector. 1[Provided that no such sanction is required where the structural alteration, addition or renewal is made under the supervision of a Competent Person.]
<span style="margin-left:15px;"></span>No structural alteration, addition or renewal shall be made in or to any boiler registered under this Act unless such alteration, addition or renewal has been sanctioned in writing by the Chief Inspector.<br> <span style="margin-left:15px;"></span> <sup>1</sup>[Provided that no such sanction is required where the structural alteration, addition or renewal is made under the supervision of a Competent Person.]<br><br>