"the right action is that which maximizes utility (however construed) summed impersonally across all those affected by that action."
Goodin, "Utility and the goood",
In A Companion to Ethics. Ed. P. Singer. Blackwell, 1991.
A possible "procedure" using the utility principle:
For each possible alternative action (or policy), calculate "the good" (however construed), "summed impartially across all those affected by that action". Choose that action/policy with the highest value.