Scenario: my wife and I run same webiste. Until now, my adwords account was paying campaigns. I have not all campaigns stopped. My wife has her own adwords account (credit card is an extension of mine), so campaign was copied to her account (remember I'm not running campaings at present). Can she happily start advertising using that campaign (she must generate a new conversion page code).
I understand Google don't like same company bidding same keywords from different accounts.
But that's not the case. It's time she pays for the campaign and I'm not actually using adwords, stopped today, I'll be off for a while.
Plus, she has a coupon with some credit to spend in adwords (not big deal, but it's good time to use it I think)