August 2019 to March 2020
- Project initiated by Billy Albina, then of Bard College, as Open Cataloging Rules
- Core Committee develops the project’s vision, scope, principles, and draft element set
April 2020-December 2020
2021
- Project revived by Denise Soufi, UNC-Chapel Hill, and Faye Leibowitz, formerly of the University of Pittsburgh
- Resources for developing rules compiled
- Publication platforms researched
2022
- Series rules developed
- Website developed on GitHub with help from the RBMS RDA Editorial Group
- Name changed to Open Rules for Cataloging (ORC)
2023
- Series rules published to the website
- ORC incorporated and received federal non-profit status
- First Executive Board formed
2024
- Title rules published to the website
- First elected Executive Board
- Core Committee reorganized to Rules and Tech Committees
2025
- Edition rules published to the website
- Description Convention Source Code “orc” assigned by the MARC Standards Office
- Imprint rules developed
- Material Description draft started
- ORC becomes an Open Library Foundation incubation partner