In addition to the returns authorized and required in this Part the secretary is authorized to prescribe such alternative forms and instructions as he deems practicable for the purpose of simplifying compliance.  Such forms and instructions may contain arithmetical short-cuts and abbreviated formulae which do not precisely track the computational scheme of this Part, provided that the use of such forms remains optional.  

Acts 1986, 1st Ex. Sess., No. 16, §1, eff. Dec. 24, 1986.