Sample Independent Contractor Agreement. Future benefits from the 457(b) Plan will reflect the amount of a participant's voluntary salary deferral contributions plus earnings.Vesting is immediate. Combined Contract Schedules for Construction and Professional Services Contracts. To use the latest web form version please click on this link. Compensation Plan sample Basic Plan Document. A deferred compensation agreement is an agreement between a company and an employee that withholds paying some of the employee's salary.