Clause 8-9: Rights in Computer Software addresses the Postal Service’s rights regarding computer programs, computer databases, and their documentation. Clause 8-7: Withholding Payment (Technical Data and Computer Software) discusses payment to the supplier by the Postal Service and is used in contracts for both technical data and computer software rights. If the data requirements are not adequately fixed and specified at the time of contracting, Clause 8-8: Additional Data Requirements must also be included in the contract.