Links:[1] http://www.masstaxpayers.org/taxes [2] http://www.mass.gov/?pageID=dorhomepage&L=1&L0=Home&sid=Ador [3] http://www.mass.gov/Ador/docs/dor/Publ/PDFS/Study%20Commission%20on%20Corporate%20Taxation%20-%20Final%20Report.pdf