Questione giuridica chiave
Whether the Swiss mission in El Salvador was bons offices or diplomatic mediation.
Decisione estratta
The mission was a mission of bons offices, not mediation, because the foreign observers did not take part in the talks.
Motivazione estratta
The ambassador acted as a diplomatic accompanier to ensure security at the meeting; the intervention had been requested by President Betancur and approved by President Duarte.