... onA Form 2848 must be attached to Form 3115 in order for thethe first line of Form 3115. In the signature section, enter theService to discuss a Form 3115 with a taxpayer’ssignature of a principal ... file Form 3115 by the last day of theshort period unless other published guidance provides anotherIndividuals. If Form 3115 is filed for a husband and wife whodeadline. File the Form 3115 with ... the first line of Form 3115 and enter the applicant’s first line of Form 3115. In the signature section, enter thename and identification number on the fourth line. If Form 3115 signature of the...