Certification is valid for two years. To renew certification, Kuan Yin Lineage Holders must complete additional training by attending any approved retreat to receive updated Kuan Yin and Tao secrets, wisdom, knowledge and practices for the Kuan Yin Lineage Program. Separate course fees will apply for the retreat. Spiritual reading is required for recertification. Tao Academy reserve the right to de-certify Kuan Yin Lineage Holders at any time.