Order of the Federal Tax Service No. MMV-7-3/99@ of February 26, 2016 on Endorsing the Form of a Tax Return for the Purposes of the Tax Payable in Connection with the Use of the Simplified Taxation System, the Procedure for Completion Thereof, and Also the Format for Filing a Tax Return for the Purposes of the Tax Payable in Connection with the Use of the Simplified Taxation System in Electronic Form