SAN FRANCISCO - The Ninth Circuit U.S. Court of Appeals on Aug. 1 amended a March 21 opinion that ruled that revenue sharing between mutual funds and a 401(k) plan's administrative service provider did not violate the plan or the Employee Retirement Income Security Act, explaining the appropriate standard of review (Glenn Tibble, et al. v. Edison International, et al., Nos. 10-56406, 10-56415, 9th Cir.; 2013 U.S. App. LEXIS 16050).