Questions regarding §457 maximums and refunds should be directed to Louisiana Deferred Compensation at (225) 926-8082 or toll free at (800) 937-7604. Follow the prompts to enroll.If you wish to enroll in Deferred Compensation you have 30 days from your date of hire to enroll retroactive to your original date. Deferred Comp Board. Department of Civil Service. An eligible deferred compensation plan under IRC Section 457(b) (or "section 457 plan") must meet the written plan document requirements.