; and (B) is not a branch or subsidiary of another entity. (2) Guidance for small covered chemical facilities The Secretary may provide guidance and, as appropriate, tools, methodologies, or computer software, to assist small covered chemical facilities in complying with this section. (3) Limitation on implementation of methods The Secretary may not require a small covered chemical facility to implement methods to reduce the consequences of a terrorist attack under subsection (c) unless the Secretary determines that the implementation of the methods at the small covered chemical facility do not significantly and demonstrably impair the ability of the owner or operator of the covered chemical facility to continue the business of the covered chemical facility at the location of the covered chemical facility. (4) Assessment of impacts on small covered chemical facilities (A) In general Not later than 6 months after the date of the enactment of this title, the Secretary shall submit an assessment of the potential effects on small covered chemical facilities of compliance with this section regarding the assessment and, as appropriate, implementation of methods to reduce the consequences of a terrorist attack to— (i) the Committee on Environment and Public Works and the Committee on Homeland Security and Governmental Affairs of the Senate; and (ii) the Committee on Energy and Commerce and the Committee on Homeland Security of the House of Representatives. (B) Requirements The assessment required under subparagraph (A) shall include— (i) data on the scope of small covered chemical facilities to which this title applies, including— (I) the number and type of small covered chemical facilities that are required to assess methods to reduce the consequences of a terrorist attack under subsection (b)