Code of Alabama
Chapter 15 - Estate and Inheritance Tax.
Section 40-15-15 - Assessment of Tax Due.

Where appropriate returns are made and information supplied by the legal representative of any estate subject to the tax imposed hereby, the Department of Revenue shall assess the tax due in time to enable such legal representative to make payment of the same and receive credit upon the federal tax. The Department of Revenue may adopt the valuation arrived at by the federal authorities as the basis for the tax hereunder.