CRM Online 2016 Update 1 - Create SLAs for custom entities and additional system entities

In all previous releases of Dynamics CRM, you could only create SLAs for the Case entity (record type). Now in Dynamics CRM Online 2016 Update 1 we can create SLAs for any custom entity and for any of the following system entities below:

• All activity entities (such as Email, Task, and Appointment) except recurring appointments
• Account
• Contact
• Invoice
• Opportunity
• Quote
• Lead
• Order

For more information : https://www.microsoft.com/en-us/dynamics/crm-customer-center/define-service-level-agreements-slas.aspx