(Contractor name) is not to incur any additional costs under the contract until it receives a modification that increases the available funding. At this time, (Contractor name) may not recover costs in excess of the (dollar amount), the funding currently available for payment on the contract.
Also called a contract or a union contract, a collective bargaining agreement (CBA) is an legally binding contract between the employees (union) and the employer, arrived at through negotiations between the parties, which lays out the rights and duties of each party.
A retainer agreement is a work for hire contract. It falls between a one-time contract and full-time employment. Its distinguishing feature is that the employer pays in advance for work to be specified later. Additional contracts regarding the performance of this work may also apply.