Original sentence: In 1991 Miscavige had gone to IRS headquarters to meet with the Commissioner, which led to a two year review process (in which IRS tax analysts were ordered to ignore the substantive issues), and ultimately, tax exemption for the Church of Scientology International and its organizations in the US and partially abroad
Edited sentence: In 1991 Miscavige had gone to IRS headquarters to meet with the Commissioner, which led to a two year review process (in which IRS tax analysts were ordered to ignore the substantive issues), and ultimately, full tax exemption for the Church of Scientology International and its organizations in the US and partially abroad