Your account is tax- deferred until you withdraw money, usually during retirement. The City of Houston Deferred.Compensation plan allows voluntary contributions. The Employer may suspend a. There are a number of rules that come with 457(b) plans, though. These include contribution limits, rollover rules, withdrawal rules and more. A deferred compensation agreement is an agreement between a company and an employee that withholds paying some of the employee's salary. (per pay period) of my compensation as before-tax contributions to the Governmental. This plan allows the executives to defer part of their compensation during the years of employment.