Sage 100 (MAS 90 / MAS 200) – How To Change An Invoice Date In Accounts Receivable How To Change An Invoice Date In Accounts Receivable. Learn how to change invoice dates in Accounts Receivable in this Sage 100 Video. More Information Sage 100 Add-Ons / Enhancements Sage 100 Modules Sage 100 Support Sage 100 Watch Videos