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Reference pages that answer one specific question each, written in plain English, with the official source linked on every page.

Most sections below sit next to one of the Quickwell tools. The pages explain the rules the tool checks, so you can understand a result, or fix a problem, without the tool. The business costs section is a standalone set of how-to pages for small businesses. Every page lists the sources it was checked against and the date.

Rate con glossary24 pages. New entrant audit16 pages. The 16 automatic-fail rules of 49 CFR 385.321(b).EUDR plot file errors11 pages. GeoJSON errors that block a due diligence statement, in English and French.Texas RRC districts13 pages. All 13 oil and gas districts: counties, offices, permit counts.Business costs3 pages. Auto-renewal notice windows, vendor price increases and finding recurring charges.

Sources

49 CFR 371.2 (broker definition), eCFR text up to date as of Oct 7, 2026: https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=371&section=371.2
49 CFR 371.3 (broker records and right to review), eCFR text up to date as of Oct 7, 2026: https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=371&section=371.3
49 CFR 385.321 (the 16 automatic-fail regulations), eCFR text up to date as of Oct 7, 2026: https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=385&section=385.321
49 CFR 382.115 (starting date for testing programs), eCFR text up to date as of Oct 7, 2026: https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=382&section=382.115
EU Information System, "GeoJSON File Description" (updated 17 August 2026): https://eudr.webcloud.ec.europa.eu/tracesnt/help/eudr-documentation/operator/geojson-description.html
EU Information System, "API and UI Validation Rules": https://eudr.webcloud.ec.europa.eu/tracesnt/help/eudr-documentation/operator/validation-rules.html
RRC, "Oil & Gas Counties and Associated Districts": https://www.rrc.texas.gov/about-us/locations/oil-gas-counties-districts/
RRC, "Locations" (district offices): https://www.rrc.texas.gov/about-us/locations/
16 CFR Part 425 (FTC), current eCFR text, Title 16 up to date as of Oct 8, 2026: https://www.ecfr.gov/api/versioner/v1/full/2026-10-01/title-16.xml?part=425
16 CFR Part 425, eCFR version history (shows sections 425.3 to 425.9, including 425.6 "Simple cancellation (Click to Cancel)", in effect from Jan 14, 2025 and removed Feb 12, 2026): https://www.ecfr.gov/api/versioner/v1/versions/title-16.json?part=425

Sources opened and checked on October 11, 2026.

Not legal advice. This page explains public rules and common contract terms in plain English; it is not a substitute for reading your own documents or asking a qualified professional. Rules change, so check the official source.