Information Update

You can make changes to your business online by using CDTFA's Online Services. Online Services allows you to 
make changes to business addresses, names, ownership information, sublocations, closeouts, and more. Simply 
login with your username and password, select the account or customer that you want to change, then select the 
type of change you want to make. For example, to change an account’s mailing address, select the account, select 
the Names and Addresses tab, then select the mailing address under the Account Names & Addresses section. 

CDTFA-345-WEB REV. 15 (FRONT) (1-21)                                                               STATE OF CALIFORNIA
NOTICE OF BUSINESS CHANGE                                          CALIFORNIA DEPARTMENT OF TAX AND FEE ADMINISTRATION

ACCOUNT NUMBER (required)(example: XXX-XXXXXX)

BUSINESS NAME

Please complete the applicable sections of this form and mail to: California Department of Tax and Fee 
Administration, ATTN: LRB/Registration Team, MIC:27, P.O. Box 942879, Sacramento, CA 94279-0027. Use the 
Additional Information section if you need more space. Be sure to sign, include daytime telephone number, and 
date.
SECTION I: ADDRESS CHANGES
TYPE OF ADDRESS CHANGE
 New Business Location                       Add New Sublocation    New Account Mailing Address
 New Customer Mailing Address                          New Books and Records Address
OLD ADDRESS (street, city, state, ZIP Code)

NEW ADDRESS (street, city, state, ZIP Code)                                              START DATE

DAYTIME TELEPHONE NUMBER                                           FAX NUMBER

TYPE OF ADDRESS CHANGE
 New Business Location                       Add New Sublocation    New Account Mailing Address
 New Customer Mailing Address                          New Books and Records Address
OLD ADDRESS (street, city, state, ZIP Code)

NEW ADDRESS (street, city, state, ZIP Code)                                              START DATE

DAYTIME TELEPHONE NUMBER                                           FAX NUMBER

TYPE OF ADDRESS CHANGE
 New Business Location                       Add New Sublocation    New Account Mailing Address
 New Customer Mailing Address                          New Books and Records Address
OLD ADDRESS (street, city, state, ZIP Code)

NEW ADDRESS (street, city, state, ZIP Code)                                              START DATE

DAYTIME TELEPHONE NUMBER                                           FAX NUMBER

SECTION II: OWNERSHIP/DBA CHANGES
NEW OWNER’S NAME                                                                         DAYTIME TELEPHONE

HAS BUSINESS NAME (DBA) CHANGED? 
 Yes          No          If yes, new business name or DBA: 
CORPORATION NAME                                                   CORPORATE ID NUMBER   STATE INCORPORATED IN

PARTNER OR LLC MEMBER                                              NAME                  DATE ADDED OR DROPPED
 Added            Dropped
PARTNER OR LLC MEMBER                                              NAME                  DATE ADDED OR DROPPED
 Added            Dropped
SIGNATURE (owner, corporate officer, member, partner)              TITLE                 TODAY’S DATE

PRINT NAME                                                         BUSINESS EMAIL ADDRESS

CDTFA-345-WEB REV. 15 (BACK) (1-21)

ADDITIONAL INFORMATION
Please use the space below to provide additional information about your business change. For example, if you added 
or dropped more than two partners or LLC members, provide the additional names, dates, and telephone numbers 
below. Also, if any of the following statements apply to your situation, please provide the requested information, then 
complete CDTFA-65, Notice of Closeout, located at www.cdtfa.ca.gov/formspubs/cdtfa65.pdf.
• If you sold your business, please provide the name and account number of the purchaser as well as your current 
   daytime telephone number and address. If applicable, include the name of the escrow company used for the sale.
• If you closed your business, please provide your current daytime telephone number and address.
• If you opened an account but did not actually operate (did not operate), please explain why the business did not 
   operate so the account can be closed on the original starting date shown on the registration record.
For more information about closing your account, please refer to publication 74, Closing Out Your Account, located 
at www.cdtfa.ca.gov/formspubs/pub74.pdf. 
If extra space is needed, you may attach additional pages. Contact your local office if you have any questions. We 
recommend that you retain proof of mailing of this form. We will contact you if we need more information. If you have 
general tax questions, please contact our Customer Service Center at 1-800-400-7115 (CRS:711). Customer service 
representatives are available Monday through Friday from 8:00 a.m. to 5:00 p.m. (Pacific time), except state holidays. 
You can also visit our website at www.cdtfa.ca.gov.
Additional Information: