What detail of the Prompt Payment Act is important for contracts without a specified due date?

The significant detail of the Prompt Payment Act for contracts that do not have a specified due date is that payments are due 30 days after receipt of the invoice. This provision helps establish a clear timeframe for when contractors can expect payment, thus aiding in cash flow management.

In the absence of a specific payment schedule, the 30-day timeline provides a standardized interval, ensuring that vendors and contractors are not left uncertain about when to expect their funds. This regularity can improve relationships with contractors, as they can plan their finances better knowing when they will be compensated for their services or goods.

The other options suggest alternative timelines for payment or conditions that do not align with the Prompt Payment Act's intent to streamline financial transactions and ensure timely payment. Each of these would create potential delays or confusion regarding the payment schedule, which the Act aims to mitigate by enforcing a clear 30-day requirement in the absence of other stipulations.