What must happen for a contractor to legally stop work on a project due to non-payment?

For a contractor to legally stop work on a project due to non-payment, it is essential that notice is provided to the owner or the party responsible for payment. This requirement exists to ensure that the owner is fully aware of the situation and given an opportunity to remedy the payment issue before work is halted. Proper notification is often a step outlined in the contract terms or by law, as it protects the rights of both parties involved in the contract. By issuing notice, the contractor establishes a clear communication channel regarding the payment problem, which is a vital aspect of contract law and helps prevent misunderstandings or disputes regarding the status of work and payment obligations.

In contrast, options that suggest that the project must be canceled, a new contract signed, or approval from the owner are not necessary prerequisites for ceasing work due to non-payment. These do not align with the established practices within contract law regarding payment disputes.