Devolve upon
Definition 1 of 2

Duty Transfer
Used when someone becomes responsible because another person is absent or incapacitated.

When the teacher is away, classroom control will devolve upon the designated student leader.
Succession
Indicates a fallback plan where control or duties default to a second-in-command.

Should the captain be unable to serve, command will devolve upon the first officer.
Organizational Structure
Highlights structured delegation within a company or group.

In the CEO's absence, decision-making powers will devolve upon the executive team.
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