Final answer:
Prompt payments laws are state laws that mandate a time period within which clean claims must be paid and that call for financial penalties to be levied against late payers.
Step-by-step explanation:
The correct answer is b. prompt payments laws. State laws that mandate a time period within which clean claims must be paid and call for financial penalties to be levied against late payers are known as prompt payments laws. These laws aim to ensure that healthcare providers are paid in a timely manner for the services they have provided.