Have you wondered if a certain dataset can be used for OSM? What does it mean for a license to be “compatible” with OSM and ODbL? This talk will give pointers on where to look for information, common compatibility issues, and best practices for presenting a license to LWG for help review. Have you wondered if a certain dataset can be used for OSM? What does it mean for a license to be “compatible” with OSM and ODbL? This talk will give pointers on where to look for information, common compatibility issues, and best practices for presenting a license to LWG for help review. Outline: Sources of information about the license Website (page from which data is downloaded, about page, FAQ, TOS) Accompanying file (e.g., README, LICENSE) Terms, credits, etc. Metadata Information about licenses/dataset previously evaluated for use with OSM Imports wiki page License compatibility page forums/lists US data Federal data and the public domain State data Local data Common compatibility issues Attribution Use restrictions (e.g., noncommercial/personal/research) Privacy Sharealike Revocability Indemnity Local laws Things that are usually not a problem (disclaimer of warranty/accuracy, trademarks, governing law, ) Making it easy for others to read a license Link everything! Include all information about the source Where to obtain Description of where/who the data is from Include all information about the license What the license is Any info about permitted uses Any prior OSM discussion Flag common compatibility issues and why you think they are or are not issues Quote the relevant sections of the license (include the section number!) Explain your reasoning If the license references other laws/regulations/terms, look them up and link to and quote from them.