commonwealth of pennsylvania department revenue the impact electronic commerce on sales and use tax february 2000 update has reissued this report to correct errors in footnotes original version which was published september 1999 since publication forrester research inc released new estimates consumer internet for through 2004 that are significantly higher than used based newly data losses associated with including digitized products estimated at 17 5 million fy 1998 99 loss is expected grow more 125 0 by 2002 03 questions regarding can be directed bureau 1147 strawberry square harrisburg pa 17128 1100 tel 717 787 6300 22 executive summary increased popularity as a medium significant implications vendors selling over compound enforcement problems