# Caller ID
> **Federal Communications Commission** · Final rule; petition for reconsideration. · Published 1997-06-24 · Effective 1997-06-24 · 62 FR 34015
## Document
- **Document number:** 97-16482
- **Category:** other
- **Federal Register citation:** 62 FR 34015
- **CFR reference:** 47 CFR 64
- **Publication date:** 1997-06-24
- **Effective date:** 1997-06-24
- **FCC docket:** CC Docket No. 91-281
## Abstract

On March 25, 1997, the Commission released an Order that exempts several categories of telephone lines from the Caller Identification (``Caller ID'') blocking and unblocking rules. The Commission found that the exemptions from the blocking and unblocking requirements were warranted because the record stated that the calling party number (``CPN'') is rarely passed to interconnecting carriers from certain telephone lines. The Order also affirmed that the Commission's Caller ID rules and policies apply to party lines, hotel and motel lines, and call return services, such as automatic call return (ACR).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/06/24/97-16482/caller-id)
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