Find the GL_ACCOUNT_NO related to a payment or transaction

I think this s a simple question.  But the answer is eluding me.

How do I find the GL_ACCOUNT_NO related to a payment (or transaction) using SSRS?

There are some old posts in the forum that refer to T_PMAP.  But the use of that table is depricated.

Any ideas will be much appreciated.

Darren