+1 to the overall proposal and Brian's suggestion.
I think it's always beneficial to explicitly call out such things, if
nothing else just to note that there are no particular complications when
combining the specs.

Cheers,
Frederik

On Sun, 7 Dec 2025 at 22:59, Lombardo, Jeff <jeffsec=
[email protected]> wrote:

> +1 on the proposal
>
>
>
> *Jean-François “Jeff” Lombardo* | Amazon Web Services
>
>
>
> Architecte Principal de Solutions, Spécialiste de Sécurité
> Principal Solution Architect, Security Specialist
> Montréal, Canada
>
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>
> *From:* Karl McGuinness <[email protected]>
> *Sent:* December 5, 2025 12:12 PM
> *To:* Brian Campbell <[email protected]>
> *Cc:* Aaron Parecki <[email protected]>; Judith Kahrer
> <[email protected]>; oauth <[email protected]>
> *Subject:* [EXT] [OAUTH-WG] Re: Identity Assertion JWT Authorization
> Grant - RAR
>
>
>
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> +1
>
>
>
> I think it helps connect the dots for folks that don't have all the specs
> paged into context.  I was going to add a non-normative example in a future
> update as I already have been asked this a few times.  I can open a Github
> issue to track.
>
>
>
> -Karl
>
>
>
> On Fri, Dec 5, 2025 at 8:52 AM Brian Campbell <bcampbell=
> [email protected]> wrote:
>
> Agree with Aaron's perspective here. But it might be useful to have a
> small note saying as much. I wonder if we should also consider
> describe/define using the authorization_details claim in the ID-JAG similar
> to scope?
>
>
>
> On Fri, Dec 5, 2025 at 9:24 AM Aaron Parecki <aaron=
> [email protected]> wrote:
>
> Yes, RAR can definitely be layered onto this flow. Section 3 of RAR says
> "The authorization_details authorization request parameter can be used to
> specify authorization requirements in all places where the scope parameter
> is used for the same purpose"
> https://datatracker.ietf.org/doc/html/rfc9396#section-3
>
>
>
> It's not strictly necessary to list authorization_details as a supported
> parameter in the Token Exchange request and in the ID-JAG claims in order
> to use it in those places, as they are already extensible. However if you
> think it would be helpful to have an explicit pointer to RAR I can
> definitely add it.
>
>
>
> Aaron
>
>
>
>
>
> On Fri, Dec 5, 2025 at 12:26 AM Judith Kahrer <judith.kahrer=
> [email protected]> wrote:
>
> Hi,
>
>
>
> I have another thought about processing the ID-JAG... The ID-JAG is a
> grant. As such, shouldn't it support RAR (RFC 9396
> <https://datatracker.ietf.org/doc/html/rfc9396#name-authorization-request>
> )?
> For example, add authorization_details as an optional claim in the list
> of claims in section 3 and as a parameter to the relevant request and
> responses.
>
> Best regards,
> Judith
>
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