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Oil spill tax returns

Monthly

Note: Effective March 2018, the monthly Oil spill tax return was discontinued.

2018 2017 2016 2015 2014 2013
December 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
November 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
October 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
September 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
August 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
July 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
June 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
May 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
April 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
March 2018 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
February 2018 Return 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return
January 2018 Return 2017 Return 2016 Return 2015 Return 2014 Return 2013 Return