prior claim
From Longman Dictionary of Contemporary Englishprior claimprior claima person’s right to something which is considered more important than another person’s right to the same thing His own children have a prior claim to the business. → priorExamples from the Corpusprior claim• You have a prior claim on him.• Ace had a prior claim on the Doctor's affections.• Bondholders, on the other hand, have a prior claim on the firm.