Conditional assignments
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
Assignments recorded in the Office are regarded as absolute assignments for Office purposes until canceled in writing by both parties to the assignment or by a decree of a court of competent jurisdiction. The Office shall not determine whether conditions precedent to the assignment, such as the payment of money, have been fulfilled.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.