I skipped paying mine for a year, when I was younger. I had done an early withdrawal on a 401K to finance a vacation to Europe, and I knew I owed, but I didn't

I skipped paying mine for a year, when I was younger. I had done an early withdrawal on a 401K to finance a vacation to Europe, and I knew I owed, but I didn't have any money and I didn't want to deal with it, so I just didn't. Nobody ever bothered me about it. I squared up with the IRS the year after and they put me on a payment plan, no trouble.