Data sources & credits

Listings in Do I Need A Hairstylist? are compiled from the sources below. Each is named with the dataset it came from, the licence it is used under, and the credit that licence requires. Where a licence makes attribution a condition of use, that credit is reproduced here word for word.

• Illinois IDFPR (via IL open data)

  IDFPR hair-braider licence register, Illinois Open Data Portal extract

  Licence:

  Creative Commons Attribution 4.0 International (CC BY 4.0)

  Required credit:

  Illinois Department of Financial and Professional Regulation, via the Illinois Open Data Portal (https://data.illinois.gov/) — used under CC BY 4.0

  Last updated from source:

  2026-06-09

  Ratified 2026-09-09 on the data.illinois.gov catalogue's `license_id=cc-by` facet. The portal's own Terms of Service are generic platform terms that grant nothing for datasets, so the catalogue facet and the ToS disagree; the ratification resolves the conflict in the direction that OWES the credit rather than the one that withholds it. CC BY 4.0 requires reasonable attribution but does not dictate exact wording, so this line is composed to satisfy it. Closing this to HIGH means reading the IDFPR dataset's own metadata and the publisher's terms.

• OpenStreetMap

  OpenStreetMap planet extract — mapped business/amenity POIs for this vertical

  Licence:

  Open Database License (ODbL) 1.0

  Required credit:

  © OpenStreetMap contributors

  Last updated from source:

  2026-06-08

  ODbL §4.3 makes the credit a condition of the right to republish at all, and it is non-waivable. openstreetmap.org/copyright: "Provide credit to OpenStreetMap by displaying our attribution notice. Make clear that the data is available under the Open Database License."

• Texas Dept of Licensing & Regulation

  TDLR licensed hair-weaving specialists and salons, licence-file extract copied 2026-06-08

  Licence:

  Texas state-agency conditional copy permission (Tex. Gov't Code web-site rules; TDLR disclaimer §D)

  Required credit:

  [neither the site owner nor the information, as it is presented on the site owner's web site, is endorsed by the State or any state agency]

  Last updated from source:

  2026-06-09

  The copy permission is CONDITIONAL on four attributions TOGETHER: the agency name, its web address, the date copied, and the bracketed non-endorsement statement. Three of four is not compliance. This page renders all four: the authority name, the source link, the last-updated-from-source date, and the quoted statement.

Source manifest: data-sources.json in doineedahairstylist. Spotted something wrong? Tell us.