Paragraph 9
The amount to be fixed under paragraph 6, 7 or 8 of this Schedule shall be fixed by the local authority or Minister when approving the application for the grant or contribution; but if the applicant satisfies the local authority or Minister that the works by reference to the cost of which the amount is fixed cannot be or could not have been carried out without the carrying out of works in addition to those specified in the application, they or he may substitute a higher amount for that fixed under that paragraph.