Worksheets 5 and 6 (Form 8582-CR) Worksheets 5 and 6 (Form 8582-CR) Summary: Worksheet 5 (used to determine if all of the credits listed in Form 8582-CR, lines 1a and 1b, are allowed and Worksheet 6 (used to determine if all of the credits listed in Form 8582-CR, lines 2a and 2b, are allowed) are printed here for the taxpayer's use.