Complex sentence: Use of the Zimbabwean dollar as an official currency was effectively abandoned on 12 April 2009 and it was demonetised in 2015, with outstanding accounts able to be reimbursed until April 30,2016.
Split into simpler sentences: Use of the Zimbabwean dollar as an official currency was effectively abandoned on 12 April 2009. The Zimbabwean dollar was demonetised in 2015, with outstanding accounts able to be reimbursed until April 30,2016.