; and (B) the distribution of VIPR team operations deployed across different modes of transportation. (2) Annex The notification under paragraph (1) may contain a classified annex. (3) Definition of VIPR team In this subsection, the term VIPR means a Visible Intermodal Prevention and Response team authorized under section 1303 of the National Transit Systems Security Act of 2007 ( 6 U.S.C. 1112 ). (b) Authorization of VIPR teams Section 1303(b) of the National Transit Systems Security Act of 2007 ( 6 U.S.C. 1112(b) ) is amended by striking to the extent appropriated, including funds to develop not more than 60 VIPR teams, for fiscal years 2016 through 2018 and inserting such sums as necessary, including funds to develop at least 30, but not more than 60, VIPR teams, for fiscal years 2019 through 2021 . 1931. Public area security working group (a) Definitions In this section: (1) Public and private stakeholders The term public and private stakeholders has the meaning given the term in section 114(t)(1)(C) of title 49, United States Code. (2) Surface transportation asset The term surface transportation asset includes— (A) facilities, equipment, or systems used to provide transportation services by— (i) a public transportation agency (as the term is defined in section 1402 of the Implementing Recommendations of the 9/11 Commission Act of 2007 ( 6 U.S.C. 1131 )); (ii) a railroad carrier (as the term is defined in section 20102 of title 49, United States Code); (iii) an owner or operator of— (I) an entity offering scheduled, fixed-route transportation services by over-the road bus (as the term is defined in section 1501 of the Implementing Recommendations of the 9/11 Commission Act of 2007 ( 6 U.S.C. 1151 )); or (II) a bus terminal