As to the ist Q .....two years experience /enrollment is required only in Punjab PSC EXM.No such thing is required in other provinces.
As to the second Q .....Yes Bare Acts are provided in NWFP for all major & minor Acts except Islamic law & jurisprudence & hadood laws.B.A not provided though in punjab. Don't know about other provinces.

One more exception that I forgot to mention is the Law of pleading which is also an exception to B.A.

Regards.