Provisions regarding expenditure

No sum shall be expended by or on behalf of the Board, unless included in the estimate or a supplementary estimate :

Provided that an expenditure not exceeding twenty-five thousand rupees may be incurred, though not so included, in unforeseen circumstances or to satisfy a decree of a court and in such a case the Chairman shall make a report, as soon as practicable, to the Government indicating the circumstances in which the expenditure was incurred and the source from which it is proposed to be met :

Provided further that any such expenditure shall be included in a supplementary estimate to be approved and sanctioned in the manner laid down in section 43.