return fmt.Errorf("OutputLocation required for SELECT requests")
	}

	if r.Days != 0 && r.Type == SelectRestoreRequest {
		return fmt.Errorf("Days cannot be specified with SELECT restore request")
	}
	if r.Days == 0 && r.Type != SelectRestoreRequest {
		return fmt.Errorf("restoration days should be at least 1")
	}
	// Check if bucket exists.
	if !r.OutputLocation.IsEmpty() {