When an object moves, it does not simply change address. It may pass between legal systems, source-community claims, atmospheres, and calendars at once, and each of those is a custody question the institution must answer before transit, not after. Movement is planned by the Registrar with Conservation and the relevant host sites, and documented as carefully as any treatment.

Loans require agreed handling conditions, a named accountable officer at each party, indemnity where indemnity is meaningful, and a return route established before departure. Couriers may be assigned by object, site, or threshold, with transit conditions set by the object rather than by schedule.

Return and repatriation are read as matters of relationship and evidence, not simply of possession, and are handled under the Repatriation and Return Protocol. An object that cannot be moved safely is not moved; the institution would rather keep an accession in place than lose it to a convenient route.