# \#certification

**URL:** https://forums.buildingsmart.org/tag/certification/38.md

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## [Recordings available for the September 2021 General Assembly of Implementers](https://forums.buildingsmart.org/t/recordings-available-for-the-september-2021-general-assembly-of-implementers/3887)

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**Author:** [@danlittle](https://forums.buildingsmart.org/u/danlittle)\
**Replies:** 0\
**Last updated:** [September 10, 2021, 7:52am UTC](https://forums.buildingsmart.org/t/recordings-available-for-the-september-2021-general-assembly-of-implementers/3887 "2021-09-10T07:52:52Z")

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Hello technical community, The recordings and PDF copies of the presentations from the General Assembly of Implementers are now publicly available via the buildingSMART International website. Many thanks, Dan

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## [IfcSystem should group IfcDistributionPort-s or not, if IfcDistributionElement of the port is part of the group?](https://forums.buildingsmart.org/t/ifcsystem-should-group-ifcdistributionport-s-or-not-if-ifcdistributionelement-of-the-port-is-part-of-the-group/728)

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**Author:** [@gkiss](https://forums.buildingsmart.org/u/gkiss)\
**Replies:** 4\
**Last updated:** [June 17, 2021, 9:53pm UTC](https://forums.buildingsmart.org/t/ifcsystem-should-group-ifcdistributionport-s-or-not-if-ifcdistributionelement-of-the-port-is-part-of-the-group/728 "2021-06-17T21:53:48Z")

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I think IfcDistributionPort should not be in any IfcSystem.RelatedObjects even if the relating (by IfcRelConnectsPorts) IfcDistributionElement is part any IfcSystem.RelatedObjects. Because the IfcDistributionPort is no…

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## [Recordings of Spring 2021 General Assembly available](https://forums.buildingsmart.org/t/recordings-of-spring-2021-general-assembly-available/3444)

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**Author:** [@berlotti](https://forums.buildingsmart.org/u/berlotti)\
**Replies:** 0\
**Last updated:** [March 16, 2021, 12:53pm UTC](https://forums.buildingsmart.org/t/recordings-of-spring-2021-general-assembly-available/3444 "2021-03-16T12:53:20Z")

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Hi all, All recordings of the General Assembly for Vendors and Implementers are now online at General Assembly of Implementers - buildingSMART International Greetings, Léon

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## [MaterialPass (Material Passport)](https://forums.buildingsmart.org/t/materialpass-material-passport/1901)

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**Author:** [@ReD\_CoDE](https://forums.buildingsmart.org/u/ReD_CoDE)\
**Replies:** 0\
**Last updated:** [October 9, 2019, 3:38pm UTC](https://forums.buildingsmart.org/t/materialpass-material-passport/1901 "2019-10-09T15:38:15Z")

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These days I’m thinking of IFC-based Material Passport through PBR materials plus simulation technologies/methodologies called MaterialPass (MaterialPass.org) ------------------------------------------------------------…

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## [IFC implementers questionnaire](https://forums.buildingsmart.org/t/ifc-implementers-questionnaire/1797)

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**Author:** [@berlotti](https://forums.buildingsmart.org/u/berlotti)\
**Replies:** 8\
**Last updated:** [September 25, 2019, 10:51am UTC](https://forums.buildingsmart.org/t/ifc-implementers-questionnaire/1797 "2019-09-25T10:51:47Z")

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Hi all, There have been many discussions about IFC and its future. Currently buildingSMART International is coordinating a collaborative strategy for the future of IFC. A vital part of this, is the expertise, experien…

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## [The non-permanent GUIDs](https://forums.buildingsmart.org/t/the-non-permanent-guids/1059)

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**Author:** [@lassi.liflander](https://forums.buildingsmart.org/u/lassi.liflander)\
**Replies:** 4\
**Last updated:** [May 31, 2019, 9:11am UTC](https://forums.buildingsmart.org/t/the-non-permanent-guids/1059 "2019-05-31T09:11:50Z")

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At the moment the non-permanent GUIDs are “faked” to look like the permanent GUIDs, but there should not be any real need to do. This is only causing problems to regression testing , to diffs, etc. Therefore I’m propos…

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## [IFC4 RV1.2 Certification Requirements](https://forums.buildingsmart.org/t/ifc4-rv1-2-certification-requirements/212)

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**Author:** [@jwouellette](https://forums.buildingsmart.org/u/jwouellette)\
**Replies:** 0\
**Last updated:** [August 4, 2018, 6:41am UTC](https://forums.buildingsmart.org/t/ifc4-rv1-2-certification-requirements/212 "2018-08-04T06:41:14Z")

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Hello everyone, The Software Certification team, along with Richard Petrie, have just released a letter to the vendor community regarding the requirements for the new testing regime for IFC4 Reference View 1.2. It can b…