Section 47
Act for which payment is required need not be performed till payment be made
of Interpretation and General Clauses Act
(1)
Whenever any person, public officer, public department or public body is required to do anything for which a fee is to be paid or a charge made under any written law, such person, officer, responsible officer of the public department or public body may decline to do that thing until the fee is paid or payment be made, and, where the precise amount of the payment to be made cannot be ascertained until the thing is done, until there be paid such an amount as may be estimated to be the correct amount by the person, officer, responsible officer of the department or public body required to do that thing.
(2)
Whenever a thing has been done for which an estimated amount shall have been paid, such amount shall be adjusted to the correct amount, either by means of a further payment or by a refund of the amount overpaid.