Receipt and delivery

Hi

Ii have made a intercompany transaction from OU1 to OU2  shipment and everthing is completed from seding  OU

the AR  and AP invoices also generated respectively (sending and receving OUS)after that i made receipt and delivery in receiving OU,

if i suppose  forget that  receipt and receiving details  then how i can trace the receipt and deliveries for a particular

intercompany AR or AP Invoicet and how i can confrm whether receipt and receiving done against respective

interconmapy order 

anybody explani or is there any document related to intercompany pls suggest

Thanks

karthikeyan