We have touched on the need for alerts and notifications associated with purchase orders over the course of development. However, we are now trying to define in more detail what alerts and notifications play a roll in ordering workflows for various institutions. This will help inform the designs and implementation approach for alert handling in the orders module.
If this is of interest to you, please help by contributing comments and additional examples to the following working document: https://docs.google.com/spreadsheets/d/19P-9oRxBrdWC7VejpVIfEv4Di5mfyd9AasvRUQ24ceM/edit#gid=1479847776