Advice Letter Information

Revised Advice Letter Process Effective January 1, 2020

Effective January 1, 2020, the Communications Division (CD) will implement a new streamlined advice letter process that is more efficient and environmentally friendly. Resolution T-17670 (effective November 7, 2019) authorized CD to modify the current advice letter process. The major changes are the following:

    1. No more CD-ROMs and hard copy filings: Carriers shall file advice letters electronically via e-mail only to TD._PAL@cpuc.ca.gov
    2. Staff are authorized to make future process changes and/or updates to the filing requirements to align them with technological changes
    or to otherwise improve process efficiency via Administrative Letter

Administrative Letter

  • November 12, 2019: Administrative Letter for all Telecommunications Carriers re: Advice Letter process change to electronic filing

Advice Letter (and Supplement) Filing

General Rules and Telecommunication Industry Rules for filing Advice Letters are available in General Order (G.O.) 96-B.

G.O. 96-B § 3.1 Definition: "Advice letter" means (1) an informal request by a utility for Commission approval, authorization, or other relief, including an informal request for approval to furnish service under rates, charges, terms or conditions other than those contained in the utility's tariffs then in effect, and (2) a compliance submittal by a load-serving entity pursuant to Public Utilities Code Section 380.

Advice Letters (AL) must be numbered in sequential order. For questions regarding the next available AL number, send a request for information via email to TD._PAL@cpuc.ca.gov and provide your company name and assigned utility ID number.

The cut off time to be considered filed the same day as submitted is 5:00 PM Pacific Standard Time (PST).

What completes an AL filing package?

  • Advice Letter Filing Summary Form, Instructions and Keyword List – (October 7, 2019 version - PDF download
  • Cover Letter (sample - PDF download
  • Supporting Documents (e.g. performance bond, tariff pages, contract, etc.)
  • Service List (see instructions below)

Detailed Filing Instructions  

  • Advice Letters (Initial/Supplements) and Protest and Response Letters (PDF download)

Protest and Response (G.O. 96-B § 7.4)

Filing of Protest or Response to a Protest:

Anyone may file a protest or respond to an advice letter within 20 days of the date of filing of the advice letter. Submit your written protest or response via email to TD._PAL@cpuc.ca.gov addressed to the following:

  • Communications Division – Advice Letter Coordinator
    California Public Utilities Commission
    505 Van Ness Ave., 3rd Floor
    San Francisco, CA 94102-3298
  • The cut off time to be considered filed the same day as submitted is 5:00 PM PST. Protests and responses submitted after 5:00 PM PST or on a non-business day will be considered filed the following business day.

Additional information regarding protests and responses are available in G.O.96-B § 7.4.

Advice Letter Service List

All Telecommunications carriers are required to file their Advice Letter to the Telco Advice Letter Filing service list.

Telco Industry Rule 10: Service List for Advice Letter Filings 
Resolution T-17327 (PDF download)
Telco Advice Letter Filing Service List

Advice Letter Filing Status

To obtain status about advice letters filed by Telecommunications carriers:

Contact Us

Email: CDcompliance@cpuc.ca.gov
Mail:  CPUC Communications Division
          Licensing and Compliance
          505 Van Ness Ave.
          San Francisco, CA 94102

Additional Information on Advice Letter Filings

1. Name Change/DBA
File a Tier 1 Advice Letter with the Commission and include a copy of your California Secretary of State certification.

    Additional Resources
    GO 96-B, Industry Rule 9. Notification of DBAs

2. Voluntary Withdrawal/Cancellation of Operating Authority
A telephone carrier that no longer want to conduct business as telephone service provider and have no customers in California may initiate a cancellation of authority by submitting an Advice Letter to the Commission and providing the following information:

    a. Legal Name and Utility Identification Number, Date that operations ceased, and
    b. A copy of last Transmittal form and Fee Statement for PUC Utilities Reimbursement Account

    Additional Resources
    G.O. 96-B, Industry Rule 3. Notice of Affected Customers
    G.O. 96-B, Industry Rule 8. Withdrawing Basic Service
    Decision 06-10-021 Mass Migration Guidelines 

3. Contracts
Telecommunications Industry Rules (Rules) is Section 8.1 of General Order 96-B, which requires all contracts for tariffed services to be submitted to the Commission’s Communications Division (CD). Section 8.2.1 of the Rules requires that carriers must submit contracts for tariffed services by advice letter within 15 business days after execution of the contract(s).

    a. April 28, 2008: Revised fine policy for late filed contracts to start June 1, 2009
    b. November 10, 2009: Fine Collection Process Details  

4. Tariff Filing Requirements 
5. Interconnection Agreements 
6. Transfer of Ownership or Control
7. Performance Bond Requirements 


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