References 489% CONFIDENCEOverall confidence: 89%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

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.

• [1]90%
  fda.gov/radiation-emitting-products/mammography-quality-standards-act-mqsa-and-mqsa-program/important-information-final-rule-amend-mammography-quality-standards-act-mqsa

  fda.gov· Posted Sep 25, 2026· Starts Sep 10, 2024 ✓· 90% of score

  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.

• [2]70%
  FDA updates mammography regulations to require breast density reporting (CBS New York)

  youtube.com· Published Sep 4, 2024· 5% of score

  Susan G. Komen's Valerie Nelson on the new federal density reporting rule days before it took effect.^[1]

• [3]80%
  Federal: FDA Dense Breast Reporting (DenseBreast-info)

  densebreast-info.org· Published Aug 12, 2024· 5% of score

  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]

• [4]90%
  Mammography Quality Standards Act (final rule, 88 FR, 10 March 2023)

  federalregister.gov· Published Mar 10, 2023· 1% of score

  The final rule as published: "This rule is effective on September 10, 2024."^[1]

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