This specimen document is for the use of the Employer's tax or legal advisors. WHEREAS, there is no direct financial cost to the Employer to adopt and implement both a Deferred Compensation Plan and.The Plan Administrator in the Plan's. Salary Reduction Agreement form, or in a Salary Reduction. A salary deferral agreement is a formal, written contract between an employer and employee that outlines the terms of how much money will be withheld.