As of August 31, 2023, the 2020/2023 Federal CCF must be used for DOT-regulated specimens. The Office of Management and Budget (OMB) extended the use of the 2017 Federal CCF for urine specimens; the OMB extension expires on August 31, 2023, when the 2020/2023 Federal CCF must be used for DOT-regulated […]
As of August 31, 2023, the 2020/2023 Federal CCF must be used for DOT-regulated specimens.
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