OMA Standard Numbering Convention
Establishes one permanent base identifier for each OMA method and a “:YYYY” suffix identifying the year of the most recent approved change. It explains when the suffix is added or updated, how general and version-specific references should appear, and the responsibilities of the Official Methods Board, OMA Editors, and AOAC staff.
Implementation alignment: Recommendation 17: Standardize numbering convention for methods | Status: Board of Directors approved June 25, 2026; Effective July 1, 2026
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