A comprehensive list of forms that Montgomery College students may need for admissions, registration, enrollment, graduation, or withdrawal processes. After completing the classes, the applicant can submit their application form with supporting documents to the MPDU Application Portal.See Change Your Program of Study (Major) for more information. 1) David-James Roach files an affidavit of domicile establishing his domicile as Montgomery County, Indiana. Business License Application for a Commercial Address. Complete this form to receive legal authorization to operate your business within Montgomery.