Subscribe to updates for Multiple Payers - BCBS MICHIGAN, 00710P, BCBS MICHIGAN INSTITUTIONAL - Multiple Transactions - BCBS Michigan and BCN e-referral system will be unavailable during maintenance from 10:00 P.M. on April 18th, until 10:00 A.M. on Sunday, April 19th. We apol... 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.