1. Short title This Act may be cited as the ADA Lawsuit Clarification Act of 2017 . 2. Amendments Section 308(a)(1) of the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12188(a)(1) ) is amended— (1) by striking procedures.— and all that follows through The , and inserting the following: procedures.— (A) In general Subject to subparagraph (B), the , and (2) by adding at the end the following: (B) Structural barriers to entry into existing public accommodations A civil action for discrimination under section 302(b)(2) based on the failure to remove a structural barrier to entry into an existing public accommodation may not be commenced by a person aggrieved by such discrimination unless— (i) such person has provided to the owner or operator of such accommodation a written notice specific enough to allow such owner or operator to identify such barrier; and (ii) beginning on the date such notice was received and— (I) before the expiration of 60 days after such date, such owner or operator failed to provide to such person a written description outlining improvements that will be made to remove such barrier; or (II) (aa) before the expiration of 60 days after such date, such owner or operator provided such description to such person