Complex sentence: OIX developed a Chapters Policy in 2015 that allows regional OIX chapters to be established and in 2016 the OIX United Kingdom Chapter was approved by OIX board and launched.
Split into simpler sentences: OIX developed a chapters policy in 2015 that allows regional OIX chapters to be established. In 2016 the OIX United Kingdom Chapter was approved by OIX board and launched.