The FAA IASA rules come in the following hierarchy:
IASA
--ICAO Doc. 9734
----Inspector Checklists
Take a closer look at ICAO Doc. 9734:
2.3.4.2 State responsibility
2.3.5 Operator responsibility
2.4.6 & 2.4.7 combined responsibility
2.4.9 SEPARATION requirement if State is both Regulatory Authority and Air Operator
3.2.2, 3.2.3, 3.2.5 State Legislation
3.3.5.1 Air Operator Surveillance
3.4.2.4 again reference to separation requirement for State Oversight
3.4.2.6 State Inspections
3.5.1.4 Independence of Medical Staff
3.7.3.2, 3.7.3.3 c) Supervision of Flight Ops
3.7.3.9 Commencement of Service
3.8 Surveillance Obligations
3.9 Resolution of Safety Concerns
All good in the 'hood? I don't think so.