March 13, 1931
Executive Order No. 5011, dated December 15, 1928, designating Oakland, Calif., a customs port of entry in Customs Collection District No. 28 (San Francisco), with headquarters at San Francisco, Calif., and including within its port limits Oakland, Alameda, Berkeley, Emeryville, and San Leandro, is hereby revoked, and, effective iminediately, the said places are restored to and included within the port limits of San Francisco, Calif.
HERBERT HOOVER
The White House,
March 13, 1931.
Herbert Hoover, Executive Order 5577—Oakland, California, Abolished as a Customs Port of Entry Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/361201