Sept 8 (Reuters) - Canadian Pacific Railway Ltd CP.TO
* Chief financial officer Mark Erceg to step down; Nadeem Velani named interim CFO
* Says chief financial officer Mark Erceg is stepping down from position of CFO effective September 9, 2016
* Nadeem velani has been appointed interim vice-president and cfo Source text for Eikon: ID:nCNW5SgRsa Further company coverage: CP.TO