Timmy Dooley (Clare, Fianna Fail) | Oireachtas source

So the individual concerned must establish a link with a particular province, or is it just a box-ticking exercise? For example, if a person decides to vote at his or her embassy, can he or she decide in advance of registering in which constituency he or she wishes to be registered, or is a particular methodology used to establish his or her entitlement to vote in a particular district?