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.
There is no time frame for the IRS to access tax and tax records must be kept indefinitely if you do NOT file a tax return, OR you file a fraudulent tax return. You must keep records for 7 years if you file a claim for a loss from worthless securities or bad debt deduction.You must keep all employment (payroll) tax records for at least 4 years after the date the tax becomes due or is paid, whichever is later. Click here for a detailed payroll record retention schedule.ecords of Nontaxable Income-You may need to show that income which was NOT reported on your tax return came from nontaxable sources. Keep records for at least three years from the date the return was due or filed, or two years from the date the tax was paid, whichever is later.