# Prop. Treas. Reg. § 149.30: Definitions.

Proposed regulation, not in force. REG-114676-21, 86 FR 51730, published 2021-09-16 <https://www.federalregister.gov/documents/2021/09/16/2021-19797/requirements-related-to-air-ambulance-services-agent-and-broker-disclosures-and-provider-enforcement>.

16. Section 149.30 is amended by adding the definitions of “Air ambulance base” and “National Provider Identifier (NPI)” in alphabetical order to read as follows:

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Air ambulance base means a site from which a provider of air ambulance services operates to provide air ambulance services.

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National Provider Identifier (NPI) has the meaning given in 45 CFR 162.406.

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