Invoice Terms by dmfdev | Nov 7, 2016 | 0 comments Net 30 days. Past due accounts are subject to late fee charges. Special orders may require an initial non-refundable payment at the time of the order. Did this answer your question?Yes NoAdditional CommentsSend Feedback Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website