Cash gift from foreign source to US citizen – is there a limit and does it have to be reported as income?

I am a US citizen and my father (who is not a US citizen) intends to give me a cash gift. Do I have to report this as income (on 1040) or file some other type of document? Also, is there a limit (yearly/lifetime)?

Gift tax is taxable to the giver, not the receiver. You do not have to report it as income, but your father may have to report it as a gift, depending on how much he gives you.