Subscribe to updates for Multiple Payers - BCBS MICHIGAN, 100039 - 270 - Due to scheduled maintenance Eligibility and Benefits Inquiry transactions will be unavailable Saturday, August 29th from 11:30:00 PM EDT through 4:00:00 AM EDT Sunday, August 30th. via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Payer Notifications creates or resolves an incident.