Why this matters.
Late and unpaid invoices are the biggest money problem most freelancers face, and a growing number of US laws now give independent workers real rights against the clients who hire them. New York City’s Freelance Isn’t Free Act (NYC Admin. Code §20-927 et seq.) was the first, and New York State extended similar protections statewide from August 28, 2024 (General Business Law Article 44-A). Illinois’ Freelance Worker Protection Act (820 ILCS 193) took effect on July 1, 2024, and California’s Freelance Worker Protection Act (Business and Professions Code §18100 et seq., added by SB 988) on January 1, 2025. Broadly, if a client hires you for work worth more than a set amount ($800 in New York, $500 in Illinois, $250 in California, counting work over the previous 120 days), they must give you a written contract, pay you in full by the agreed date or within 30 days of completing the work if no date was agreed, and must not retaliate against you for using your rights.
If a client breaks these rules you can usually recover more than the unpaid invoice. In New York City and New York State you may claim double damages for late or unpaid fees plus attorney’s fees, and statutory damages if you were refused a written contract. Illinois and California provide similar remedies and allow state agencies or prosecutors to bring enforcement action. Where you live and where your client is based both matter, so knowing which law applies, keeping a signed contract and tracking payment dates puts you in a far stronger position before a dispute starts.