; and (2) update such list not less than every 7 days until all funds made available to carry out this section are expended. 563. Guidance, technical assistance, information, and communication (a) In general Not later than 14 days after the date of the enactment of this Act, the Secretary, in coordination with other Federal agencies, as appropriate, shall issue guidance, provide technical assistance, and provide information to States, localities, Tribes, and territories, with respect to the following: (1) The diagnostic and serological testing of individuals identified through contact tracing for COVID–19, including information with respect to the reduction of duplication related to programmatic activities, reporting, and billing. (2) Best practices regarding contact tracing, including the collection of data with respect to such contact tracing and requirements related to the standardization of demographic and syndromic information collected as part of contact tracing efforts. (3) Best practices regarding COVID–19 disease surveillance, including best practices to reduce duplication in surveillance activities, identifying gaps in surveillance and surveillance systems, and ways in which the Secretary plans to effectively support State, local, Tribal and territorial health departments in addressing such gaps. (4) Information on ways for State, local, Tribal, and territorial health departments to establish and maintain the testing, contact tracing, and surveillance activities described in paragraphs (1) through (3). (5) The protection of any personally identifiable health information collected pursuant to this subtitle. (6) Best practices regarding privacy and cybersecurity protection related to contact tracing, containment, and mitigation efforts. (7) Best practices related to improving public compliance for isolation and containment measures and reaching medically underserved communities. (b) Guidance on payment Not later than 14 days after the date of the enactment of this Act, the Secretary, in coordination with