Accountable Care Organizations (ACOs) will complete:

• ACO Management System (ACO-MS) registration

ACOs will submit:

• ACO Participant List (including executed ACO Participant Agreements)
• Form CMS-588 Electronic Funds Transfer (EFT) Authorization Agreement Package
• Skilled Nursing Facility (SNF) 3-Day Rule Waiver application*
• SNF Affiliate List (including executed SNF Affiliate Agreements)*
• Repayment mechanism (RM) documentation*

ACOs will select:

• Track and/or level
• Minimum savings rate/minimum loss rate*
• Beneficiary assignment methodology
• Interest indicator for ACO Primary Care Flex

ACOs will receive:

• Immediate beneficiary assignment estimates for each ACO Participant Tax Identification Number (TIN) at submission

Available actions:

• Review Participation Options Report in ACO-MS
• Submit Form CMS-588 EFT Authorization Agreement Package
• Complete SNF 3-Day Rule Waiver Application*
• Submit RM documentation*
• Correct any deficiencies identified by the Centers for Medicare & Medicaid Services (CMS) and/or modify responses submitted within Section 2 of your Phase 1 application task

Final Opportunity to:

• Add ACO participant and/or SNF affiliate TINs
• Elect to apply for a SNF 3-Day Rule Waiver*

ACOs receive:

• Immediate beneficiary assignment estimates for each ACO Participant TIN at submission

Your ACO cannot edit responses in Phase 1 Section 1: ACO Information within your Phase 1 application task.

Available actions:

• Review Participation Options Report in ACO-MS
• Submit Form CMS-588 EFT Authorization Agreement Package

Final opportunity to:

• Upload executed agreements and merger/acquisition documentation and change the merged/acquired indicator on pending change requests
• Withdraw or delete ACO participants 
• Withdraw SNF affiliates
• Complete SNF 3-Day Rule Waiver application*
• Correct any deficiencies identified by CMS and/or modify response submitted within Section 2 of your Phase 1 application task
• Submit RM documentation*

Your ACO cannot add/edit any ACO participant or SNF affiliate TINs, or edit information in Phase 1 Section 1 of the application

ACOs will submit:

• ACO's governing body and organizational chart
• Governing body narrative*
• AIP supplemental information, inclusive of spend plan*
• Beneficiary Incentive Program (BIP) application*

Your ACO cannot modify any information submitted within the Phase 1 application task, including the ACO Participant List and SNF Affiliate List

Final opportunity to:

• Correct any deficiencies on Phase 2 elements identified by CMS
• Modify any response submitted within Phase 2 of your application task

Your ACO cannot modify any information submitted within the Phase 1 application task, including the ACO Participant List and SNF Affiliate List

ACOs must:

• Review, certify, and electronically sign documents related to your participation in the Medicare Shared Savings Program (Shared Savings Program)
• Confirm your organization’s information (e.g., ACO legal entity name (LEN), ACO TIN, ACO business address) and contact information