General Contribution Limits
Generally, you can deduct the lesser of:
An IRS certified volunteer preparer must exercise due diligence when preparing or assisting in the preparation of, approving, and filing tax returns. Based on this, volunteers may rely in good faith without requiring certain documents from the taxpayer. However, the volunteer preparer may not ignore the implications of information furnished to, or actually known by, the preparer. The preparer must ask questions if the information furnished appears to be incorrect, inconsistent, or incomplete.