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EXHIBIT 23.7

PRICEWATERHOUSECOOPERS

PricewaterhouseCoopers LLP
1201 Louisiana, Suite 2900
Houston TX 77002-5678
Telephone (713) 356 4000
Facsimile (713) 356 4717

CONSENT OF INDEPENDENT ACCOUNTANTS

        We hereby consent to the use in this Registration Statement on Form F-4 of Pemex Project Funding Master Trust of our report dated March 23, 2001 relating to the financial statements of Integrated Trade Systems, Inc., which appears in such Registration Statement. We also consent to the references to us under the headings "Experts" in such Registration Statement.

/s/  PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP

February 11, 2003

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EXHIBIT 23.7

CONSENT OF INDEPENDENT ACCOUNTANTS