I usually don't like girls imposing rules
With that said, condom is not really a "rule" to me. Same with fiv, to lesser extent.
I think what qualifies as rules to me is what an average girl allows but the particular girl does not.
What qualifies as rules to me=no kissing, no touching of beasts or nipples, no touching of hair/head, no fov, no particular generic position (ie, there are girls who deny cg or doggie).
For kgirls in the bay I'd add cim just because its 99% the standard. I think only a couple girls refused cim.
One of my favs sometimes has some mood swing days where she'd tell people to not touch her head/hair and be fairly aloof. I make sure to mention that when I recommend her services.
In short, personally I don't think no rules=no condom or ymmv stuff like anal/bdsm
But obviously the definition is up in the air.
There is an infamous philipina girl in SF proper - name's Natalie. She advertises herself as "no limits". And she truly does have little limits =she's into moderate bdsm with safe words, condom optional stuff, Greek, sub/Dom, receiving watersports and so on.
Just my two cents on cemantics of "no rules". Obviously, everyone is welcome to have their own definition.