Indeed, Cicero tells us that, without the authorization of the people, not even public priests could make oficial consecrations.
Né avere i capelli intrecciati né gli uomini con la testa coperta, né con iori.
Il quadro storico, Roma - Bari 2005.
What mattered was not where an object was offered topographical space but how it was marked out for the gods, either physically or verbally conceptual space.
In antiquity the principle of surrogacy was implicit in the idea of ongoing reciprocity; one common manifestation of it, found occasionally already in the archaic and classical periods and widely later, especially in healing contexts, was the fulillment by one party of a vow undertaken by or on behalf of another.
Materiali dallo scavo di San Pietro di Cantoni di Sepino, Roma 2004, 109-15.