The 1099-R box 1 amount is rounded to the closest dollar. If 49 cents or less it is zero, if 50 cents or more it adds $1.
Unless there is box 4 tax withheld then the IRS only gets the whole dollar amounts on the 1040 line 4 or 5 - nothing else on a 1099-R goes to the IRS.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
