You're almost done with your federal income tax return, and you're already thinking of ways to spend your refund. Then, the unthinkable happens--instead of a refund, you find that you owe $3,000. Or perhaps you've just received an IRS notice in the mail claiming that you owe $9,000 for the retirement plan distribution you took two years ago. You thought it was tax free at the time. Whatever the reason, you're now in the unenviable position of owing money to the IRS--and you don't have the cash. What do you do now?