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.
In general, U.S. social security and Medicare taxes apply to payments of wages for services performed as an employee in the United States, regardless of the citizenship or residence of either the employee or the employer. In limited situations, these taxes apply to wages for services performed outside the United States. Your employer should be able to tell you if social security and Medicare taxes apply to your wages. You cannot make voluntary social security payments if no taxes are due. Refund of Taxes Withheld in Error