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Roference is mzde to your curtraet eith the T'nitod States Covernment. as representeú by tue Central iuteiligence Ágeucy, clactive 2l Jano:y l7.

Effective 21 Jaauary 1957, shid contract is amended by deleting the third sentence of paragraph one (l) entitled "Compensation" which reads: .

"Upon the satisfactory completion and submission of said report you will receive ε \$300 payment,"

and substituting in lieu thereof the following sentence:

"Upon the submission of a satisfactory progress report, you will receive the remzinder of said fee."

All other terms and conditiona of'the contract, as amended, remain in full force znd effect. .

You will plaase izdicate yeur epproval by signing in the space previded below.

CENTRAL INTELLIGENCE AGENCY

Special Contracting Ofiicer

Date: /6-1457

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Dezr Dr.

The United Gtatos Governiont, as reprzspatsc Ly the Central Inteligen Agoncy, hereby coatrccts vit you for the euoniusion oi z medicai report, Hhe subjeet matter of vhich hes d= vill be made kuown to you, under ths following terms and coudidioas:

1. Componsztion. In fall coasideration for the submission of caid report, you will bs paid a \$500 fee. Two hundred dollars (\$200) of paid fee wili be paid you upoz the execution of this contract by the Contracting Ofcer. Uroz the satiafactory completion and submicsion of said report you will zecoive a \$300 payment. lo šecerzi income tex will de wiuhel izura this fee, but it will be your respcnsibility to report such income uader eristing Federal income taz laws and regulations. The Central Intelligence Agency stands ready to assist you as to be method to be folowed in reporting this fee on yous Federal income tax return in order to preserve security.

2. Execution of Documents. If, in the periormance of services under this contzzet, you cesurne the cnstody of Goverment funds or take title of record to property cí any nature whatsoever and whcrever sitaate, thich property bas in fact bssn purchasei with mcnies of the U.S. Government, you hereby recognize and acknowledge the existence of a trust relationship. cither ezpress or constructive, and you agree to execute whatever documezt may be required by CLA to evicence this relaticnsbip.

3. Status. You are not an employee of the United States Government under this agrcement and are not cntitled to any beneüts normally incident to an employee status.

4. Secrecy. You will be reqoired to kesp forever secret this contract end all information which you may obtain by reason hereof (aaless rcleased in writing by ClA fromn such obligation), vith full kowiedge that violztiaa of such secrocy may cubject you to crimizzl prosecution uader the Espiczece Laws, dated 25 June 1948, as amended, and other applicable lavs and regulations.

5. Instructons. Instruetions reccived by yen froin CA in trinfa truining or ctnervose are e part of this contract and are incorporated ke:cis, provided that such instructcas arc zot izconsistent with the terms nereci.

6. Uaanthorirod Commiments. No promises or commitents permniotes or sareñts orher tan tcss cxrecoiy n. s. ing  ts  o y an r  b Covernment.

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7. T-. Thig eontrrtia efrode ni of nnd cn 19 n aì soties to ye: Trom C, or ur ta repor is swoee, e rr vaenrs rarllor. Tazmination ci tha arrcemen Wit not reiease you irom Co abligationa of rny security oain you may oe requireú to izie.

CENTRAL INTELLIGENCE AGENCT

Soecial Costracing Cificer