MLS subscriber companies who participate in the Supra Lockbox and Key program will be emailed on February 1st requesting them to report the number of Supra lockboxes in their possession. How to Pull Company Lockbox Audits from SupraWEB. Companies will be given until March 31st, 2025 to report the number of lockboxes in inventory and report any lost or stolen lockboxes. The company will be charged for the missing or damaged equipment. Please call the office at 920-707-9900 or email the lockbox administrator Angela Schilling @ aschilling@ranw.org for questions or concerns.