April 10, 1993 (March 19) ����, across the Taiwan Strait signed an agreement notarized and mail inquiries. In In 1993, Tang Shubei (right), executive vice president of the Association for Relations Across the Taiwan Strait in Beijing's Diaoyutai State Guesthouse and the Taiwan Straits Exchange Foundation Vice Chairman and Secretary-General Cheyne Chiu initialed "cross-strait notarization book using the verification protocol "and" cross-strait registered mail inquiries, compensation matters agreement.