external sovereignty
1.But because the Ministry of External Affairs of the Qing government believed the Lhasa Convention would do damage to national sovereignty, the high commissioner stationed in Tibet by the Qing government refused to sign it, leaving it ineffectual. 
2.In January 1997, the Self-Provided External Telecommunication System(Short Term) licence was introduced to facilitate the short-term use of telecommunications equipment, such as satellite news-gathering equipment, for international communication particularly during the period of the change of sovereignty.
