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.
What is FICA? The Federal Insurance Contributions Act is the federal law that requires you to withhold two separate taxes from the wages you earn. It includes Social Security Tax and Medicare Tax at a flat percentage rate. The Social Security Tax is 6.2% rate of your wages, and the Medicare Tax is 1.45% of your wages. If you earn more than $200,000, you will also be taxed an additional 0.9% Medicare surtax.