The annual exclusion for 2013 is $14,000 per recipient. This amount is doubled if you are married and your spouse consents to split the gift. If your children are married, you can effectively multiply the tax-free gifts by giving gifts to spouses. And you can apply your lifetime gift tax exemption amount ($5.25 million in 2013) to transfer even more tax free. Bottom line: You can make sizable gifts tax free, but talk with a tax or financial advisor to determine the extent of your generosity.
The IRS action of fixing tax liability that sets in motion collection procedures, such as charging interest, imposing penalties, and, if necessary, seizing property.