Oil spill tax returns

Monthly

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

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