I agree with the Errata, but wonder if the sentence could be cleaner, for 
instance:

CORRECTED:  All referential integrity constraints defined by the value of a 
leaf with the "instance-identifier" type or via the "path" statement of the 
"leafref" type MUST...

NEW CORRECTED: All referential integrity constraints defined by the value of a 
leaf with the "instance-identifier" or "leafref" types MUST...

Kent


> On Jun 22, 2026, at 3:18 PM, [email protected] wrote:
> 
> The following errata report has been submitted for RFC7950,
> "The YANG 1.1 Data Modeling Language"
> 
> --------------------------------------
> You may review the report below and at:
> https://errata.rfc-editor.org/eid9005/
> 
> --------------------------------------
> Type: Technical
> Reported by: Ladislav Lhotka <[email protected]>
> 
> Section 8.1 says:
> 
> Original Text
> -------------
> o  All referential integrity constraints defined via the "path" statement 
> MUST be satisfied.
> 
> Corrected Text
> --------------
> o All referential integrity constraints defined by the value of a leaf with 
> the "instance-identifier" type or via the "path" statement of the "leafref" 
> type MUST be satisfied if the "require-instance" property for that type is 
> true.
> 
> Notes
> -----
> The original bullet item has two problems:
> 
> 1. Its formulation was adopted from RFC 6020 without taking into account that 
> the "require-instance" statement was added to the "leafref" type in YANG 1.1.
> 
> 2. The "instance-identifier" type defines another referential integrity 
> constraint that should be treated the same as the "leafref" constraint.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". Please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party  
> will log in to change the status and edit the report, if necessary.
> 
> --------------------------------------
> RFC7950 (draft-ietf-netmod-rfc6020bis)
> --------------------------------------
> Title               : The YANG 1.1 Data Modeling Language
> Publication Date    : August 2016
> Author(s)           : M. Bjorklund, Ed.
> Category            : Proposed Standard
> Source              : netmod (ops)
> Stream              : IETF
> Verifying Party     : IESG
> 
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