AP can perform the entire authorization function or selected portions of the process in cooperation with your host system. And, because the Visa DPS authorization system is flexible, you may customize support to meet your specific business requirements.
If desired, you can request voluntary Federal tax withholding from your monthly Social Security benefits. You may find doing this easier than paying quarterly estimated tax payments. See http://www.socialsecurity.gov/planners/taxwithold.htm.
If they decided to take the disqualifying disposition road, the company will report it on their W-2. Keep in mind that the company is also not required withholding Social Security taxes (FICA) if the employee purchases the stock or any income tax when they sell the stock. At this point, it is not considered capital gains and it is taxed as a regular income, which the employee is required to report on a W-2.