On June 29, 2021, Japan Ministry of Health, Labor and Welfare (MHLW) released an amendment for tiron content in ferrous fumaratehe Outline of Imported Food Prior Confirmation System (hereinafteriron (ii) acetate symbol referrferrous gluconate to elemental ironed to as the Outline).sodium iron gluconate The Outline spells out the application scope, the content of the prior confirmation, the application procedures for prior confirmation, the validity period of registration, the import procedures, and some otferrous fumarate uspher requirements. The prior confirmation system came into effect on March 29, 1994, and the amendment became effective upon its publication on June 29.