Petrobras may need to re-publish Q1 results due to accounting issue- regulator
May 20, 2015 at 16:19 PM EDT
SAO PAULO, May 20 (Reuters) - Brazil's state-run oil company Petroleo Brasileiro SA could be forced to re-publish first-quarter results after it included a contract completed after the reporting period, the president of Brazil's markets regulator said on Wednesday.