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Texas Department of Insurance
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Commissioner’s Bulletin # B-0003-24

May 1, 2024

To:   Companies writing commercial property or businessowners insurance in Texas and certain farm mutuals writing property insurance

Re:   Data call for 2023 property direct written premium in the Texas catastrophe area

Reporting period: January 1, 2023, to December 31, 2023

The Texas Department of Insurance (TDI) issues the attached special data call, which is authorized by Insurance Code Section 2210.052.

The data call is necessary to supplement TDI's statistical information and to enable the Texas Windstorm Insurance Association (TWIA) to calculate participation shares for assessments, should they be required in 2024. The data may also be used in 2025 before data for 2024 is available. 

Responses to the data call are due no later than May 31, 2024.


Your company must respond to this data call if it falls within one of the categories described below. A company subject to this data call must submit the data call form and affidavit to TDI even if the company does not write any applicable business in the Texas catastrophe area.

TDI will email this data call only to companies that fall into one of the following categories:

Category 1: Companies reporting 2023 Texas commercial property or businessowners statistical data to TDI's commercial lines statistical agent, Insurance Services Office Inc. (ISO), under a minimum or limited reporting format that does not include place-code or ZIP-code level detail. This category specifically includes companies reporting under the TDI minimum reporting guidelines for commercial lines statistical reporting.

Category 2: Companies reporting 2023 Texas commercial property or businessowners statistical data to ISO, under a full reporting plan format in which all four quarters of 2023 data have not been fully accepted by ISO as of February 29, 2024. Companies in this category must report premiums for the entire year, not just the quarters of 2023 that ISO has not fully accepted.

Category 3: Farm mutual insurance companies acting as fronting insurers, as defined by Insurance Code Section 221.001(c).

Submission requirements

  • You must complete the data call using the TWIA Data Call Form. This form requires Adobe Acrobat Standard 9.0, Adobe Professional 9.0, Adobe Reader 9.0, or a more recent version.
  • Complete and email the TWIA Data Call Affidavit separately from the Data Call Form.

TDI may ask for more information about your responses.

If you have any questions about this data call or need more information, see the TWIA Data Call Instructions or contact TDI's Data Services team at or 512-676-6690.

TWIA Data Call Instructions
TWIA Data Call Form
TWIA Data Call Affidavit

For more information, contact:

Last updated: 5/14/2024