May 1 (Reuters) - Fortuna Silver Mines Inc FVI.TO :
* Fortuna provides update on regulatory review
* Fortuna Silver Mines Inc says providing update on regulatory review of co's 2015 annual filings by United States Securities And Exchange Commission
* Fortuna Silver -SEC verbally communicated it will accept use of inferred resources for calculation of depletion expense, provided co includes additional disclosure Source text for Eikon: ID:nCCN2Mrzhc Further company coverage: FVI.TO