Glossary entry (derived from question below)
Spanish term or phrase:
trató su pliego como embajador/a
English translation:
proceeded to consider / considered his/her nomination as ambassador
Spanish term
Panama
Synesthete with a flair for tasty words!
Native in: Spanish (Variants: Nicaraguan, Mexican, Peruvian, Venezuelan, Cuban, Honduran, Argentine, US, Guatemalan, Salvadoran, Latin American, Colombian, Costa Rican, Panamanian) 
Works in: Spanish to English, English to Spanish
trató su pliego como embajador
Alberto Fernández dijo que extrañaba a Hugo Chávez y horas después Argentina se abstuvo de condenar abusos del régimen de Maduro en la OEA
https://www.clarin.com/mundo/oea-condeno-abusos-regimen-chav...
But I'm having trouble understanding the phrase "trató su pliego como embajador."
Here's the context:
"El gobierno decidió enviar como representante ante la OEA al combativo dirigente Carlos Raimundi, quien, cuando el Senado trató su pliego como embajador ante el organismo montó una férrea defensa del chavismo."
Thanks in advance!
Proposed translations
Spain
Psychologist & Emergency Physician
Native in: Spanish (Variant: Standard-Spain) 
Works in: English to Spanish
proceeded to consider / considered his nomination as ambassador
Horas después de haber sido aprobado su pliego en el Senado, el flamante embajador argentino ante la OEA, Carlos Raimundi ratifica que en Bolivia el presidente depuesto Evo Morales está proscripto y pide observar...
https://www.pagina12.com.ar/248821-carlos-raimundi-hay-que-o...
Procedimiento equivalente a nominations submitted by the President to the Senate for confirmation...
| ¡Gracias! Mos def un argentinismo entonces... Ya sé pa' la próxima... ;-) |
the Senate debated his nomination to be Ambassador
India
Translation is a work of art
Native in: English
Works in: Russian to English, Spanish to English, French to English, and 2 more.
defined his brief as ambassador
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Note added at 3 hrs (2020-06-30 21:07:15 GMT)
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Here cuando should be translated as 'once' rather than 'when', to read "once the Senate had defined his brief as ambassador to..., he.............
United Kingdom
experienced and well qualified linguist
Native in: English (Variant: UK)
Works in: Spanish to English, English, Spanish, and 3 more.
addressed his specifications document as ambassador
Dijo que extrañaba a Chávez y horas después Argentina se abstuvo de condenar abusos del otro régimen. El gobierno decidió enviar a alguien como representante y combativo dirigente, quien, cuando el senado trató su pliego como embajador ante el orga
He said that Chavez was missing and hours later Argentina abstained from condemning indecent misconduct from another regime. The government decided to send someone as a representative to the leading militant, who, when the senate addressed his letter as
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