(a) an amount is payable under subsection 16(2) of the Royalty Act; and
(b) paragraph 16(1)(a) of the Royalty Act applies;
the amount is due and payable at the end of the next royalty period following the royalty period in which the agreement or determination mentioned in that paragraph was made.
(a) an amount is payable by a person under subsection 16(2) of the Royalty Act; and
(b) paragraph 16(1)(b) of the Royalty Act applies;
the amount is due and payable at the end of the next royalty period following the royalty period in which the error mentioned in that paragraph was notified to the person.
"royalty period" has the same meaning as in the Royalty Act.