I've just received a K-1 that is different from the one I was given and filed with. I need to amend the return how do I deal with the old K-1 info? Type in new figures

Just learned that the partnership never sent in the first K-1.  The new one I just got was the only thing the IRS has.

Get your taxes done using TurboTax

start an amended return and change the old numbers to the new numbers. 

explanation - receive k-1 from xyz partnership that has amounts that differ from ones used in the original return