# [ref_impl_eiffel] [1489] Refactor validation further and add phase 3 validation, which operates on the flattened archetype. **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2011-06-05 21:25 UTC **Views:** 4 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-1489-refactor-validation-further-and-add-phase-3-validation-which-operates-on-the-flattened-archetype/14046 --- ## Post #1 by @svn1 Revision: 1489 Author: thomas\.beale Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-1489-refactor-validation-further-and-add-phase-3-validation-which-operates-on-the-flattened-archetype/14046 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-1489-refactor-validation-further-and-add-phase-3-validation-which-operates-on-the-flattened-archetype/14046