Rule 42.8.102 - eSTOP BUSINESS LICENSING GUIDE(1) The department will make available to all businesses a guide regarding the process for filing an application under the eStop program. This guide, as periodically updated by the department, may be obtained from the Department of Revenue web site at revenue.mt.gov [File Link Not Available]; by a written request to P.O. Box 5805, Helena, Montana 59604-5805; or by calling the department's call center, toll free, at (866) 859-2254 or in Helena at (406) 444-6900.NEW, 2002 MAR p. 1559, Eff. 5/31/02; AMD, 2011 MAR p. 1557, Eff. 8/12/11; AMD, 2014 MAR p. 2658, Eff. 10/24/14.30-16-104, MCA; IMP, 30-16-103, 30-16-201, 30-16-301, 30-16-302, 30-16-303, MCA;