1-A-1 LEGISLATION & REGULATION 
1-A-1-1 Conventions
Synonyms & related terms: Constitution
1-A-1-2 Laws
Synonyms & related terms: Regulation, decrees 

1-A-1-3 Requirements & guides
Synonyms & related terms: Guideline
1-A-1-4 Nuclear Liability

1-A-2 GOVERNMENT & REGULATOR IN EMERGENCY 
1-A-2-1 National & regulatory emergency centers 
Synonyms & related terms: National – Regional, local
Emergency center – Emergency center, response center 
1-A-2-2 Interference & communications in emergency
1-A-2-2-1 Government & regulator
1-A-2-2-2 Operating organization (Utility)
Synonyms & related terms: Operator, Power Plant, NPP
1-A-2-2-3 Technical support organizations
Synonyms & related terms: TSO, technical support institutions
1-A-2-2-4 Stakeholder involvement 
Synonyms & related terms: (Public & mass media) communication, informing

1-A-2-3 Laws, Decrees & Regulations
Synonyms & related terms: guidelines

1-A-2-4 Independent evaluation of accident & consequences
Synonyms & related terms: independent – free, competent, non-governmental
Evaluation – assessment, judgment, forecast, appraisal, review
Accident - Incident

1-A-2-5 Regulatory inspection in emergency 
Synonyms & related terms: inspection – investigation, review