As to?

[thomas615]

I often see these sentences: Is it correct to put "as to" after "advise"

(1) "Kindly advise as to when we can receive your documents".

(2) "Kindly advise when we can receive your documents"

 

[bhaisahab]

I often see these sentences: Is it correct to put "as to" after "advise"

(1) "Kindly advise as to when we can receive your documents".

(2) "Kindly advise when we can receive your documents"

Yes, it's fine.