9.2 Sequencing

9.2.1 TYPES OF SERVICES

All operation and notifications shall be confirmed services.

9.2.2 USAGE RESTRICTIONS

These services may only be invoked within the context of an established Association.

9.2.3 DISRUPTED PROCEDURES

These services do not disrupt any other service procedure.

9.2.4 DISRUPTING PROCEDURES

These services are disrupted by the A-ABORT service procedure.