This Agreement is effective as of the next enrollment or change date as provided for in the current Plan Document. By this Agreement made between.A deferred compensation agreement is an agreement between a company and an employee that withholds paying some of the employee's salary. You are permitted to defer a portion of your compensation to the Plan. The Plan allows you to designate the deferrals as either. Tarrant County offers an optional tax-deferred retirement savings program called Deferred Compensation (457(b) plan). You must fill out a Deferred Salary Agreement Form for each employer you work for, even if you have already completed a form. The Deferred Salary Agreement. A top hat plan is a type of employer-sponsored plan that is unfunded. The design of the plan is to provide deferred compensation to the eligible employee group.