Generally, if an interest in property is transferred during the giver's lifetime (often called an inter vivos gift), then the gift or transfer would not be subject to the estate tax. In 1976, Congress unified the gift and estate tax regimes, thereby limiting the giver's ability to circumvent the estate tax by giving during his or her lifetime. Some differences between estate and gift taxes remain, such as the effective tax rate, the amount of the credit available against tax, and the basis of the received property.