Don't forget rules for trading with other factions as well. And rules for embassies if any faction wishes to establish one with you.
Constitutionally Speaking...
I think those can be dealt with with laws and legislature, I don't think we actually have to write it into the constitution.
The only thing that can completely corrupt a peoples' government is the greed of the corporations that will inevitably take hold of it in an unremittingly capitalist environment.
It is the right of every person to have what they require. This comes before the right of a few to have more than they require.
It is the right of every person to have what they require. This comes before the right of a few to have more than they require.