Long-term treatment with Protonix may make it harder for your body to absorb vitamin B-12, resulting in a deficiency of this vitamin. In long-term rodent studies, pantoprazole was carcinogenic and caused rare types of gastrointestinal tumors. The relevance of these findings to tumor development in humans is unknown.ur Protonix Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
(In general terms, tax records should be kept for a minimum of three to seven years.) The usual time period for the IRS to assess additional tax after a return is filed is three years.axpayers must keep records supporting items shown on their federal tax returns as long as needed for administration of tax laws. That means records should be kept until the time period expires to amend a return to claim a refund or tax credit, or when the IRS can assess additional tax.
Income Tax Records. The Internal Revenue Service requires companies to keep business tax returns and supporting documents for a minimum of three years from the time of filing. During this time, the return can be amended or audited. If you failed to report income, however, the IRS can come after your business for up to six years. If the business took a deduction for a worthless security or bad debt, the IRS can pursue the issue for seven years. To be safe, a business should keep tax records in its permanent files. If that's not possible, tax records should be kept for seven years to account for most scenarios where the records might be needed. Payroll Tax Records The IRS recommends businesses keep all employment tax returns, substantiating documents and proof of withholding tax payments for at least four years after the return was filed or the taxes were paid, whichever is later.