By what date must I conduct the annual performance test?

40 C.F.R. § 60.2150
in effect
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You must conduct annual performance tests no later than 13 calendar months following the previous performance test.
Source: ecfr_bulkFetched: 7/26/2026
Source: eCFR APIURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-40.xml?part=60Fetched: 5/31/2026