Nothing in this chapter constitutes a waiver by the government of the Virgin Islands of its right, power or privilege to try the demanded person for crime committed within the Virgin Islands, or of its right, power or privilege to regain custody of him by extradition proceedings or otherwise for the purpose of trial, sentence or punishment for any crime committed within the Virgin Islands, nor shall any proceedings had under this chapter which result in, or fail to result in, extradition be deemed a waiver by the government of the Virgin Islands of any of its rights, privileges or jurisdiction.