; (6) maintaining records of customer orders, metadata, and screening system or protocol performance in specified formats, which may include standardized machine-readable and interoperable data formats; and (7) other recommendations as determined appropriate by the Secretary. (b) Sequences of concern The Secretary shall maintain a public docket to solicit recommendations on potential sequences of concern and, in consultation with other Federal departments and agencies and non-Federal experts, as appropriate, review and update, on a regular basis, a list of sequences of concern to facilitate screening under subsection (a)(1). (c) Landscape review The Secretary, in coordination with other Federal departments and agencies, as appropriate, shall conduct a landscape review of providers and manufacturers of gene synthesis equipment, products, software, and other tools with the purpose of understanding the number, types, and capabilities of products and equipment that exist domestically and to inform the development of any updates to the guidance under subsection (a). (d) Technical assistance The Secretary, in consultation with other Federal departments and agencies, shall provide technical assistance upon request of a gene synthesis provider, manufacturer of gene synthesis equipment, or developer of software or other screening tools to support implementation of the recommendations included in the guidance under subsection (a). (e) Definitions In this section: (1) Gene synthesis equipment The term gene synthesis equipment means equipment needed to produce gene synthesis products. (2) Gene synthesis product The term gene synthesis product — (A) means custom single-stranded or double-stranded DNA, or single-stranded or double-stranded RNA, which has been chemically or enzymatically synthesized or otherwise manufactured de novo and is of a length exceeding the screening threshold, as determined by the Secretary