Acceptance by Saigon of American Formula on Seating Reported; Saigon Said to Accept Formula Proposed by U.S. for Seating
S Vietnamese officials say important step has been taken toward ending boycott of talks; warn 'a lot of details' remain to be settled; S Vietnamese source says Saigon Govt agrees to accept what Amer diplomats call 'your side-our side' formula; says 'procedures' that could invalidate agreement must be worked out; S Vietnamese and US officials continue to express optimism that agreement to end boycott will be found; 1 S Vietnamese source expresses doubt about rept from Washington saying S Vietnam will agree to formula in which chmnship would alternate between US and S Vietnam; Amer official says Bunker is engaged in 'complicated negotiations' with Nguyen Van Thieu