; or (ii) allowing the artist or venue to provide the purchaser with information about event postponements or cancellations. (B) Provision of information If a purchaser provides the affirmative express consent described in subparagraph (A) to a secondary ticketing exchange, the exchange shall provide the information described in such subparagraph to the artist and venue. (C) Prohibition on unauthorized uses It shall be unlawful for an artist or venue to use information disclosed to the artist or venue in accordance with this paragraph from any purpose other than the purposes described in clauses (i) and (ii) of subparagraph (A), including for promotional purposes. (D) Rule of construction Nothing in this paragraph shall be construed to conflict with or preempt existing data privacy laws. (2) Notice of secondary sale It shall be unlawful for a secondary ticketing exchange to— (A) facilitate or execute the secondary sale of an event ticket unless the secondary ticketing exchange clearly and conspicuously discloses— (i) that it is not the primary seller of the event ticket at the top of its website, or at a comparable appropriate place on its software application or other digital platform, and at the point of purchase; or (ii) if the secondary ticketing exchange also operates as the primary seller with respect to the event ticket, a notice on any page or interface that facilitates the resale of event tickets, that event tickets available on the page or interface are being resold