The controversy surrounding this article arose from the sensitivity of states, which would be required to take “all possible measures” to save people who landed on their territory without their consent and to implicitly allow representatives of the launching authority to enter if their assistance “contributed significantly to the effectiveness of search and rescue operations”. Article 2 provides that “when the personnel of a spacecraft land in the territory of a Party as a result of an accident, emergency, emergency or accidental landing, they shall immediately take all possible measures to save the spacecraft and provide them with all necessary assistance. It shall inform the launching authority and the Secretary-General of the United Nations of the measures it has taken and of their progress. . . .