; or (2) battlefield land that is— (A) owned by a State, Tribe, local government, or nonprofit organization; and (B) referred to in the Battlefield Reports. ; and (2) by striking subsection (b) and inserting the following: (b) Eligible sites The Secretary may make grants under this section for Revolutionary War, War of 1812, and Civil War battlefield sites— (1) eligible for assistance under the battlefield acquisition grant program established under section 308103(b); or (2) on battlefield land that is— (A) owned by a State, Tribe, local government, or nonprofit organization; and (B) referred to in battlefield reports. . (e) Updates and improvements Chapter 3081 of title 54, United States Code, is amended by adding at the end the following: 308106. Updates and improvements to Battlefield Reports Not later than 2 years after the date of the enactment of this section, and every 10 years thereafter, the Secretary shall submit to Congress a report that updates the Battlefield Reports to reflect— (1) preservation activities carried out at the battlefields in the period since the publication of the most recent Battlefield Reports update; (2) changes in the condition, including core and study areas, of the battlefields during that period