English term (edited): (to) file

(To) file (something) = presentar
Sinónimo de "submit", en este contexto.

http://unabridged.merriam-webster.com/cgi-bin/unabridged
3 a (1) : to deliver (as a legal paper or instrument) after complying with any condition precedent (as the payment of a fee) to the proper officer for keeping on file or among the records of his office (2) : to send (newspaper copy) to a newspaper or news agency by telephone, telegraph, or cable <filed a good story> b : to place (as a paper or instrument) on file among the legal or official records of an office especially by formally receiving, endorsing, and entering c : to return (a law case) to the office of the clerk of a court without action on the merits d : to fill out and submit (an income tax return) to the appropriate office

En este contexto, "Participant" es "Partícipe".

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Note added at 6 mins (2006-01-21 18:36:23 GMT)
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by written notice FILLED with the Committee = mediante notificación por escrito presentada ante el Comité

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Note added at 7 mins (2006-01-21 18:36:51 GMT)
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Perdón, en la oración anterior hay un error: es FILED con una sola L.