UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 1, 2008 9:00 A.M.
Form: S-1
CIK: 0001328237
Company Name: PowerShares DB Commodity Index Tracking Fund
File Number: 333-150217
CIK: 0001328239
Company Name: DB Commodity Index Tracking Master Fund
File Number: 333-150217-01