This document contains final regulations under section 752 for taking into account certain obligations of a business entity that is disregarded as separate from its owner under section 856(i) or section 1361(b)(3) of the Internal Revenue Code, or Sec. Sec. 301.7701-1 through 301.7701-3 of the Procedure and Administration Regulations. These final regulations clarify the existing regulations concerning when a partner may be treated as bearing the economic risk of loss for a partnership liability based upon an obligation of a disregarded entity. The rules affect partnerships and their partners.