Have to be offered it, or just have to be considered for it? As in, if there's a better qualified person available at the same price (or for that matter you're

Have to be offered it, or just have to be considered for it? As in, if there's a better qualified person available at the same price (or for that matter you're making two roles redundant and either of those people could do this one other role you have open, but you don't need both) do you really have to give it to the otherwise redundant person?