Home > News & Info > Essential Services Agreements Essential Services Agreements (ESA) in Health Care Background Information - Frequently Asked Questions (FAQs) - ESA Decision Tree - Process/Timeline - Overview of Provider Group Draft Proposal - Overview of Health Sciences Association of Sask. (HSAS) Draft proposal - Provider Group Provincial Perspective (updated March 3/09) - HSAS Provincial Perspective - HSAS Update on Talks (April 30/09) Media Releases - February 25, 2009 Link to the Public Service Essential Services Act