When filing taxes, QSBS exclusions are listed on several forms depending on the year the stock was obtained. These forms include Form 8949, Schedule D, Form 1045, Form 6251 (if purchased before September 27, 2010), and Form 8960 (if there is a portion of the gain that is not excludable). See Detailed filing instructions for section 1202 for step by step instructions on reporting a QSBS exclusion.