Once a 1031 Exchange has begun it needs to identify at least one replacement property within 45 days after relinquished property has closed. A 1031 property exchange allows individuals the opportunity to buy and sell property while deferring capital gains tax consequences.Learn what it takes to do a 1031 exchange in California and how you can cleverly leverage it to defer capital gains tax and build wealth. A 1031 exchange is a tax-deferred exchange that allows you to defer capital gains taxes as long as you are purchasing another "like-kind" property. Purpose. PRESENTATION OUTLINE: I. COMPLEX CHIARI A. Definition B. Overview of clinical presentation and imaging features II. Free, easy, online access to selected Code of Federal. Regulations (CFR) volumes is now available via GPO.