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V.\ s CEmnCA.'TIOIS y.-, ; (1) It is hereby certifiedtfcat thi3 is Invoice No.5 appli-ing HOft/TBA Subproject 10, that performance is satisfactory, that the - services aya ’hAtng accccrpllshed la accordance with mutual agreeeeuts, that a detailed agenda of the payments and receipts is on file in fSS/CD, that this bill is Just and correct and that payment thereof has not yet been cede. . yy . • -..V- ;'U } - y • Chief, 'iss7cheiticsl Division Cate; (2) It is hereby certified that this invoice applies to {XUL'nVt Subproject 10, which was duly approved, and. that the project is being carried out la accordance with the ireraorandum dated 13 April 1953# froa the DCI to the DD/A, end the extension of UUs authority in subsequent Ecaoracda* -y - V ? . ,y . Research Director Sates