Hi folks,

Firstly, thanks to Yixin Sun, who initially reported this to me privately, for 
submitting this report.

IIRC it was never the intention to prevent multiple custom RRs. Therefore I 
believe the report is correct and should be accepted. Since it affects the XML 
schema, I believe "Held for Document Update" should be the correct status, 
since a change to the schema should also change the namespace URI. However, I 
would welcome WG input on this.

Thanks,

G.

> On 24 Jan 2026, at 4:54 pm, RFC Errata System <[email protected]> 
> wrote:
> 
> The following errata report has been submitted for RFC9803,
> "Extensible Provisioning Protocol (EPP) Mapping for DNS Time-to-Live (TTL) 
> Values".
> 
> --------------------------------------
> You may review the report below and at:
> https://urldefense.com/v3/__https://www.rfc-editor.org/errata/eid8718__;!!PtGJab4!8Nh9IMY4NI5TvMXoD5q_TVrUFlf6YR8tSFGyLlXt_kboQoXLwXCg434h2tm0kiQjH_ALLyUg9NxepqmCdJJLivEhAnE29cn3$
>  [rfc-editor[.]org]
> 
> --------------------------------------
> Type: Technical
> Reported by: Yixin Sun <[email protected]>
> 
> Section: 8
> 
> Original Text
> -------------
>  <element name="create" type="ttl:commandContainer">
>    <unique name="uniqueRRTypeForCreate">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
>  <element name="update" type="ttl:commandContainer">
>    <unique name="uniqueRRTypeForUpdate">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
>  <element name="infData" type="ttl:responseContainer">
>    <unique name="uniqueRRTypeForInfo">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
> Corrected Text
> --------------
>  <element name="create" type="ttl:commandContainer">
>    <unique name="uniqueRRTypeForCreate">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@custom"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
>  <element name="update" type="ttl:commandContainer">
>    <unique name="uniqueRRTypeForUpdate">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@custom"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
>  <element name="infData" type="ttl:responseContainer">
>    <unique name="uniqueRRTypeForInfo">
>      <selector xpath="ttl:ttl"/>
>      <field xpath="@custom"/>
>      <field xpath="@for"/>
>    </unique>
>  </element>
> 
> Notes
> -----
> There may exist multiple custom record types, e.g., 
> <ttl:ttl for="custom" custom="NEWRRTYPE1">3600</ttl:ttl>
> <ttl:ttl for="custom" custom="NEWRRTYPE2">3600</ttl:ttl>
> Both "for" and "custom" attributes are needed to uniquely identify the record 
> type. Therefore, the <unique> elements in the XML syntax should be updated as 
> such.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". (If it is spam, it 
> will be removed shortly by the RFC Production Center.) 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.
> 
> --------------------------------------
> RFC9803 (draft-ietf-regext-epp-ttl-18)
> --------------------------------------
> Title               : Extensible Provisioning Protocol (EPP) Mapping for DNS 
> Time-to-Live (TTL) Values
> Publication Date    : June 2025
> Author(s)           : G. Brown
> Category            : PROPOSED STANDARD
> Source              : Registration Protocols Extensions
> Stream              : IETF
> Verifying Party     : IESG

--
Gavin Brown
Principal Engineer, Global Domains & Strategy
Internet Corporation for Assigned Names and Numbers (ICANN)

https://www.icann.org

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