More than one prisoner to be turned over to planetary authorities.

Do they still think there's some kind of planetary authority with whom they can deal?

Better the planetary authority ask her for help than the leader of your tribe.

As usual, the planetary authorities turn to Pyrrus for help.

I have no desire to risk trouble with planetary authorities by smuggling in illegal immigrants.

Most won it in early days, negotiating with a weak planetary authority.

I'll tell the planetary authorities that they can have their world back shortly.

I'm here to effect a settlement of certain differences between yourself and the planetary authorities.

Would you please come with us so that we can make arrangements with the planetary authorities?

I have a meeting later today with the planetary authorities.