The 4th Print of the ISSF Rulebook - dated March 2016 - is now published and available for download on the official ISSF website, at the address: http://www.issf-sports.org/theissf/rules.ashx
Changes to the 3rd Print are related only to the Code of Ethics (Annex CE) and the ISSF Eligibility, ISSF Commercial Rights and ISSF Sponsorship / Advertising Rules.
The new rules were approved by the ISSF Executive Committee on the 1st of March, and are immediately effective.
More information about the decisions taken by the Executive Committee are published here: http://www.issf-sports.org/news.ashx?newsid=2504