(Fixes typo in second paragraph)
TORONTO, Sept 6 (Reuters) - Bank of Nova Scotia's Chief Executive Brian Porter said on Wednesday the bank was undertaking due diligence on the potential acquisition of BBVA's retail business in Chile.
"We're in the due diligence phase," Porter said. "These opportunities don't come along very often. They are once in a lifetime opportunities". (Reporting by Matt Scuffham; Editing by Chizu Nomiyama)