On January 27, 2014, Tallman was appointed by Chief Justice John Roberts to a six-year term on the United States Foreign Intelligence Surveillance Court of Review, which considers appeals under the Foreign Intelligence Surveillance Act.
Tallman was appointed by Chief Justice John Roberts on January 27, 2014, for a six-year stint as a member of the US Foreign Intelligence Surveillance Court of Appeals, where he examines appeals related to the Foreign Intelligence Surveillance Act.