Milestone Settlement

Peers

• vendor
• client
• QA or reviewer

Base Facts

• vendor delivers artifacts and completion claims
• QA attests test results
• client accepts, rejects, or disputes

Shared Claim

• milestone M is payable

Why It Is Strong

• more than one peer owns necessary facts
• negative claims matter, such as "not disputed"
• disputes are common
• certification facts are natural, such as client acceptance or auditor signoff

Certification Ladder

One useful ladder is:

• delivery facts
• QA facts
• client acceptance or exclusion of dispute
• certifier publishes payable(M) under a named policy