Levi Plans to Curb F.B.I. On Domestic Operations
Atty Gen Edward H Levi discloses Justice Dept proposals to curtail FBI's domestic intelligence operations; proposals include ban against using informers to instigate crimes, a requirement that Atty Gen rept 'periodically' to Cong on 'preventive action plans' that he authorized FBI to conduct, and ltg of intelligence gathering to those situations where activities to be investigated 'may involve' unlawful force or violence, speech to Amer Bar Assn annual conv, Montreal; outlines proposals that would similarly restrict, but not altogether stop, FBI investigations such as those previously taken at request of White House and FBI's retention and use of unsolicited derogatory information about people, including Cong members; Levi cites some of past excesses that led to present reform move; recounts gen pattern of FBI domestic intelligence operations; proposals are among set of 'guidelines' that special com of 6 Justice Dept attys, including 1 from FBI, drafted at Levi's request; proposals seem compromises between recognition that many FBI operations have been excessive and arguments that broad investigatory operations are necessary; ABA pres Lawrence E Walsh lauds proposals; other proposals noted; Levi por (L)