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> Am 17.08.2015 um 08:28 schrieb Colin Smale <colin.sm...@xs4all.nl>: > > OSM IDs are too volatile, and IIRC there were objections to putting "foreign > keys" (like shop branch numbers) into OSM on the grounds that someone would > need to maintain that link. Some people are adding tax identification numbers for businesses, the tag is ref:vatin but the number is typically referring to an operator. Of course this has to be maintained as well. cheers Martin _______________________________________________ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk