part may be used to renovate or replace a building or facility which is used primarily for purposes other than the administration of elections for public office. (5) Providing increased technical support for any information technology infrastructure that the chief State election official deems to be part of the State’s election infrastructure or designates as critical to the operation of the State’s election infrastructure. (6) Enhancing the cybersecurity and operations of the information technology infrastructure described in paragraph (4). (7) Enhancing the cybersecurity of voter registration systems. (b) Qualified election infrastructure vendors described (1) In general For purposes of this part, a qualified election infrastructure vendor is any person who provides, supports, or maintains, or who seeks to provide, support, or maintain, election infrastructure on behalf of a State, unit of local government, or election agency (as defined in section 401 of the Election Security Act) who meets the criteria described in paragraph (2). (2) Criteria The criteria described in this paragraph are such criteria as the Chairman, in coordination with the Secretary of Homeland Security, shall establish and publish, and shall include each of the following requirements: (A) The vendor must be owned and controlled by a citizen or permanent resident of the United States. (B) The vendor must disclose to the Chairman and the Secretary, and to the chief State election official of any State to which the vendor provides any goods and services with funds provided under this part, of any sourcing outside the United States for parts of the election infrastructure. (C) The vendor agrees to ensure that the election infrastructure will be developed and maintained in a manner that is consistent with the cybersecurity best practices provided by the Chairman in coordination with the Secretary. (D) The vendor agrees to maintain its information technology infrastructure in a manner that is consistent with the cybersecurity best practices