; or (B) section 901 of the Civil Rights Act of 1968 ( 42 U.S.C. 3631 ). (8) Secretary The term Secretary means the Secretary of Homeland Security. (9) Working Group The term Working Group means the Interagency Domestic Terrorism Data Working Group established under section 3(a). 3. Interagency Domestic Terrorism Data Working Group (a) Establishment There is established within the Department an Interagency Domestic Terrorism Data Working Group to coordinate the collection and reporting of Federal data related to domestic terrorism incidents. (b) Membership The Working Group shall be comprised of representatives from— (1) the Department; (2) the Department of Justice; (3) the Federal Bureau of Investigation; and (4) the National Counterterrorism Center. (c) Chairman The Working Group shall be chaired by a representative of the Department, as appointed by the Secretary. (d) Duties The Working Group shall— (1) not later than 90 days after the date of enactment of this Act, establish a standard interpretation of the definition for the term domestic terrorism in section 2331 of title 18, United States Code, including a shared lexicon of categories and subcategories for classifying acts of domestic terrorism, which shall be used by each entity described in paragraphs (1) through (4) of subsection (b) to contribute information or data under section 4; (2) establish a unified Federal database, housed and maintained by the Department, to store information and data relating to domestic terrorism incidents required to be submitted under section 4