WBF Systems Policy
Issued byWBFWorld Bridge Federation
Edition2024
StatusIn force
LanguageEnglish
What bidding systems and conventions are allowed in WBF championships: event categories, HUM systems and Brown Sticker conventions, system cards and pre-submission. Note: since 1 January 2025 a written defence against the Multi 2♦ (or 2♣) is no longer permitted in WBF events. Make sure the file you download is headed 2024.
More from World Bridge Federation
| Document | Issued by | Edition | Official text |
|---|---|---|---|
| Laws of Duplicate Bridge 2017 | WBF | 2017, as amended 1 January 2024 | PDF ↗ |
| Laws of Duplicate Bridge 2017 — gender-neutral text | WBF | 2017, as amended 1 January 2024 | PDF ↗ |
| Revised Laws 73 and 89 (2024) | WBF | December 2023 | PDF ↗ |
| Commentary on the 2017 Laws | WBF | Updated 26 June 2023 | PDF ↗ |
| WBF Laws Committee decisions 1998–2019 (compendium) | WBF | 2023 | PDF ↗ |
| Laws of Duplicate Bridge 2027 — review in progress In preparation | WBF | Next edition | Web ↗ |
| WBF Psychic Bidding Guidelines | WBF | — | PDF ↗ |
| WBF Alerting Policy | WBF | Revised August 2022 | PDF ↗ |
This page is a summary written by Bridge Timer. The official text published by World Bridge Federation is the only authoritative version.
← All rules & docsLink checked 2026-10-01 · source: WBF Systems Committee