about the GL account

Hi,gurus

I meet a issue.

when we create pr with none material no.,we have to key in the realation fields such as description,material group ,purchase group and account assignment. we know there are some restricks in deployment about GL account and cost center.

My question is

Which Tcode could get the relation sheet about the Gl account and cost center?

or how can we get the relation sheet about the Gl account and cost center?

please give me some advice

thanks in advance

Dick