B.C.’s CPAs are increasingly finding the current provincial sales tax (PST) regime to be hindering business success in B.C. Nearly 60 per cent of CPAs find the return to the PST system has posed a “major” or moderate” challenge to business success, an increase of 6 per cent from 2015, in the latest Business Outlook Survey administered by the Chartered Professional Accountants of British Columbia (CPABC).