Glossary entry (derived from question below)
Spanish term or phrase:
la prestación de parte de los servicios objeto de la prestación del servicio
English translation:
any part of the services contracted
Spanish term
It takes two to Tango!
Native in: Spanish 
, English
Works in: English to Spanish, Spanish to English
la prestación de parte de los servicios objeto de la prestación del servicio
CUARTA.-SUBCONTRATACION DE TERCEROS.- En el caso de que [AAA] tuviera que subcontratar a un tercero la prestación de parte de los servicios objeto de la prestación del servicio y tales servicios comportaren el tratamiento de datos de carácter personal propiedad de BBBBB por dicho tercero, ésta última autoriza expresamente a [AAAAA] para la subcontratación indicada.
I'm not entirely sure what they are trying to say with that phrase.
Proposed translations
Spain
A cut above the rest in translation...
Native in: English (Variants: Irish, US, UK) , Spanish (Variants: Latin American, Standard-Spain)
Works in: Spanish to English, French to English, English to Spanish, and 2 more.
any part of the services contracted
En el caso de que AAA tuviera que subcontratar a un tercero <b>la prestación de parte de los servicios objeto de la prestación del servicio</b>…
If AAA outsourced <b>any part of the services contracted</b> to a third party…
United States
Native in: Spanish , English
Works in: English to Spanish, Italian to Spanish, Spanish to English, and 2 more.
...subcontract a portion of the service which is the subject matter of this contract..
worked for int. orgs (IMF, OAS, IDB)
Native in: English
Works in: Spanish to English, German to English
providing some of the services included
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Note added at 52 mins (2012-04-06 02:52:48 GMT)
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or: part of
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