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| It should be a formal letter 7 K( V/ Q* D: Z, y8 [! A) ~/ Y8 re.g.
 5 u' Z9 r4 y! TTo Whom It May Concern," }3 e8 @% H3 A8 d" M% @; g
 
 " v8 a! A- u7 ^; S' Y! G; f8 |; d# LThis is to confirm that XX is a graduate student and research assistant in my laboratory. He/She is currently enrolled in a AAAA program in the  department of XXX. He/She is supported by a stipend from XXX. He/She has been employed in this manner since XX. His/Her salary is XX per month. & W( y2 w) p" U# |; p8 o  k
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 His/Her employment is split between that of research assistant(X% time) and graduate student (X% time).
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 In his/her role as research assistant, blah, blah...7 R6 m! z" h! x: [4 k  o- C
 
 ! b  X6 t. E  ~As a graduate student, his/her project blah, blah...
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 & W& ^- p2 \9 ]" aYours truly,) v  D3 U% o  x  x1 v! V
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 * g1 g0 Y: i) G' G+ f: K- u* JHope it helps.
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