Which of the Following Statements Relating to the Federal Gift

Which of the following statements relating to the Federal gift tax is incorrect?

A) The deemed paid credit allowed for a prior taxable gift always exceeds the gift tax that was actually paid.
B) The issuance of an effective disclaimer by an heir will pass the property to another without being subject to the Federal gift tax.
C) The annual exclusion is not available for gifts of future interests.
D) Up to 5 years of annual exclusions can be available for gifts involving § 529 plans (qualified tuition programs) .
E) In computing the gift tax in situations where the parties have elected to split the gift, the past taxable gifts of both spouses must be taken into account.