Who in your org actually owns the macro assumptions in financial models?

Genuine question because I keep getting different answers depending on the industry.

In some orgs it's the CFO directly. In others it's a treasury analyst. Sometimes it's literally whoever built the Excel model and nobody ever questioned the assumptions tab.

When your model has a rate assumption or a commodity price assumption tied to a macro event, who decides what number goes in? And do they document why they picked that number, or is it just whatever felt right at the time?

Trying to understand if this is a formalized role somewhere or if it's informal everywhere.