For other questions you may have, please contact the Office of the Tax Assessor-Collector at 210-335-2251 for personalized assistance. Reimbursements (the "Deferred Amounts Due") shall accrue without interest and shall be payable at the earliest reasonable opportunity to.Obtain the necessary forms for a deferred compensation agreement, including the employee's acknowledgement of the agreement and an IRS Form W-4P. Deferred compensation plans allow the participant to defer income today and withdraw it at some point in the future (usually upon retirement)