Final answer:
The statement is true; buyers sometimes need to pay additional deposits when specified conditions in a purchase agreement are fulfilled or waived.
Step-by-step explanation:
The statement is true. In some real estate or business transactions, the buyer may indeed be required to pay additional or supplemental deposits upon the fulfillment or waiver of certain conditions. These conditions are often stipulated in a purchase agreement and can include things like obtaining financing, satisfactory inspections, or other due diligence requirements. If these conditions are met to the buyer's satisfaction, the buyer may then proceed with the payment of additional deposits, indicating their increased commitment to completing the transaction.