; or (ii) the deadline is extended by the lead agency for good cause, together with a documented and publicly available explanation of the need for an extended comment period. (B) For all other comment periods established by the lead agency for agency or public comment for a Federal authorization or in the environmental review process, a period of not more than 45 days beginning on the first date of availability of the materials regarding which comment is requested, unless a different deadline of not more than 60 days is established by agreement of the lead agency and all participating agencies, in consultation with the project sponsor. (3) Public involvement Nothing in this section— (A) reduces any time period provided for— (i) public comment in the environmental review process; or (ii) an authorization for a project under applicable Federal law; (B) creates a requirement for an additional public comment opportunity in addition to any public comment opportunity required for a project under applicable Federal law; or (C) creates a new requirement for public comment on a project for which an environmental assessment is being prepared. (4) Categorical exclusions Nothing in this subsection affects or creates new requirements for a project or activity that is eligible for a categorical exclusion. (5) Deadline enforcement (A) Definition of applicable deadline In this paragraph, the term applicable deadline means a deadline— (i) for the environmental review process for a major project required under paragraph (1)(D)(ii)(I); (ii) for a decision on an authorization for a major project required under paragraph (1)(D)(ii)(II)