This Circular regulating the signing and implementation of Agreements on mutual recognition, unilateral recognition of conformity assessment results, including: 1. Agreements on mutual recognition of conformity assessment results (hereinafter referred to as Recognition Agreements) between Vietnam and one or more countries or territories on the basis of the provisions of law on signing and implementing international treaties. 2. Agreements on mutual recognition and unilateral recognition of conformity assessment results between Vietnamese conformity assessment organizations and international, regional, national or territorial conformity assessment organizations are signed and implemented on the basis of Vietnamese law, international treaties to which Vietnam is a member, and international practices. This Circular applies to: 1. Competent state agencies and conformity assessment organizations of Vietnam related to the signing and implementation of mutual recognition and unilateral recognition agreements. 2. Competent state agencies and conformity assessment organizations of Vietnam related to the signing and implementation of mutual recognition and unilateral recognition agreements.