The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
The FDA page says "Enforcement of the MQSA regulations as amended by the 2023 MQSA Final Rule began on September 10, 2024"; the rule has no end date, so the period is open-ended.
Susan G. Komen's Valerie Nelson on the new federal density reporting rule days before it took effect.[1]
Beginning 10 September 2024, facilities must give every patient one of two federal breast density statements, and the report to the referring provider must assess density.[1]
The final rule as published: "This rule is effective on September 10, 2024."[1]
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