Congressional Budget Office Cost Estimate: Sections 534 and 535 of H.R. 3931, the Department of Homeland Security Appropriations Act, 2020 [open pdf - 44KB]
From the Document: "CBO [Congressional Budget Office] is providing information about its analysis of the immigration provisions in sections 534 and 535 of the Department of Homeland Security Appropriations Act, 2020, as reported by the House Committee on Appropriations on July 24, 2019. Sections 534 and 535 would prevent the Administration from using funds made available by that act or any other act to implement several immigration-related policies."
Congressional Budget Office: http://www.cbo.gov/