Informational

Late Payment Penalties: How to Enforce and Collect

April 7, 2026

Putting a late fee clause in your contract is easy; actually enforcing it is where most freelancers and small business owners back down. The discomfort of potentially damaging a client relationship often outweighs the money owed — but without enforcement, your terms mean nothing. This guide covers the legal basics of late payment clauses, how to write a demand letter that is firm without being hostile, what escalation looks like at 10, 20, and 30 days past due, and when it makes sense to involve a collections agency. With the right approach, you can enforce your terms and preserve most client relationships.