The code of conduct issued on Monday, following reports of undisclosed travel and gifts, includes no enforcement mechanism and lets individual justices decide ethics questions for themselves.
Three officials were accused of operating at the behest of Russian intelligence when they aligned with efforts by Rudolph W. Giuliani to tie the Biden family to corruption in Ukraine.
Christopher Wray’s comments could have serious implications for a long-awaited plan whose announcement seemed to mark the end of a hotly contested debate over the past decade.