With no programme published, it remains unclear how the award, the delegations and any discussion of children will be sequenced, or whether the former first lady will make remarks. Readers have only the award citation, the composition of the teams and the UN characterisation of the transfers to go on.
The presence of ombudsmen from both sides who were involved in an evacuation mission suggests the White House session is meant to sit in that humanitarian channel rather than as a full political negotiation, though officials have not confirmed the format.
The visiting groups from Kyiv and Moscow include ombudsmen who took part in an evacuation mission, as well as senior officials, according to the available account of the makeup of the delegations.
That finding has framed international debate over the fate of children taken from occupied Ukrainian territory and over any talks aimed at returns or family reunification.
No further public details have been given on what the White House event will entail, who will speak, or whether any agreement or statement is expected.