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.
Composite returns. Many states allow multistate S corporations to file a composite tax return on behalf of all shareholders of the S corporation. With it, the income of each shareholder is reported to the state, and the S corporation pays the tax on behalf of the shareholder. The advantage is that shareholders do not have to file individual income tax returns for that income with any state where the S corporation filed a composite tax return.