What action changes a buyer's condition into an affirmative duty?

The action that transforms a buyer's condition into an affirmative duty is when the condition ripens. In real estate transactions, a condition typically refers to a stipulation that must be satisfied for the contract to be fully enforceable. When a condition is said to "ripen," it indicates that all prerequisite factors leading up to that condition have occurred, thereby obligating the buyer to fulfill their responsibilities as per the contract.

For example, if a condition stipulates that a buyer must obtain financing to proceed with the purchase, once the buyer is successful in securing that financing, the condition has ripened. At this point, the buyer has a clear obligation to move forward with the purchase, as the condition has been met. This shift from a contingent scenario to an affirmative duty is crucial for ensuring that both parties can fulfill their contractual commitments.

In the context of the other options, making an earnest money deposit is a common step in a transaction but does not by itself change a condition into a duty. The blocking of performance by a seller may create obstacles to fulfilling the condition but does not inherently convert a buyer's contingent condition into an obligation. Lastly, if the event specified in the condition has not happened, it indicates that the condition remains unfulfilled, which does