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What is the invoicing schedule for Alabama?

Filings Received 

Invoice Date  SLIP+ Transaction Fees Due 

Alabama Taxes Due 

Q1 January 1 – March 31 

First Business Day in April  May 15 

March 1 of the following year  

Q2 April 1 – June 30 

First Business Day in July  August 15 

March 1 of the following year 

Q3 July 1 – September 30 

First Business Day in October  November 15 

March 1 of the following year 

Q4 October 1 – December 31 

First Business Day in January  February 15 

March 1 of the year the invoice is issued