Blood Pressure Medications, Calcium Channel Blockers --Magnesium may increase the likelihood of negative side effects (such as dizziness, nausea, and fluid retention) from calcium channel blockers (particularly nifedipine or Procardia) in pregnant women.
If you form a corporate entity for your small business, regardless of whether it's taxed as a C or S corporation, a tax return must be filed with the Internal Revenue Service on its due date each year. Corporate tax returns are always due on the 15th day of the third month following the close of the tax year. The actual day that the tax return filing deadline falls on, however, isn't the same for every corporation.
1 That is, the corporation itself is not subject to federal income tax. 2  Instead, the shareholders are taxed upon their allocated share of the income. 3  Form 1120S is the form used for an S-corpâs annual tax return. 4  Shareholders do not have to pay self-employment tax on their share of an S-corpâs profits.