; or (ii) in the case where mass comments take the form of variations on certain standardized but not identical language the agency make available through such docket a single copy of one of the variations of the mass comment. (C) Number of submissions In case in which the head of an agency makes available through such docket a single representative sample or a single copy of one of the variations of a mass comment under subparagraph (B), the head of the agency shall indicate (through a label or indicator, and in a machine and human readable format), on the sample or copy made available, the number of submissions that were determined to be identical, or substantively identical to the sample or copy made available on such docket. (3) OMB guidance (A) Guidance Not later than 240 days after the date of the enactment of this subsection, the Director, in consultation with the Administrator of General Services, shall issue guidance to the heads of each agency on the implementation of the requirements of this subsection. (B) Contents of Guidance The guidance issued pursuant to subparagraph (A) shall include recommendations for agencies on how to best manage comments accepted by electronic means, including recommendations on how to do the following: (i) Use technology tools and procedures that verify, to the greatest extent possible, whether a comment is being submitted by a human being. (ii) Identify mass comments, including how to leverage software tools to identify whether a comment is a mass comment. (iii) Indicate (through a label or indicator, and in a machine- and human-readable format), that a comment is a mass comment. (iv) Use new technology to offer new opportunities for public participation in the rulemaking process. (C) Updates The Director, in consultation with the Administrator of General Services, may update the guidance issued pursuant to subparagraph (A), as determined necessary by the Director. (4) Policies concerning posting and consideration of computer-generated comments and mass comments (A) In