Hi,
1. There is no direct relationship between bank deposit and incoming payments. Relationship map may only work for marketing documents.
2.To find AR invoice which is paid check can be find through below query:
SELECT T0.[DocNum], T0.[DocDate], T0.[CardName],T0.[CheckSum],T0.[CashSum], T0.[CreditSum], T0.[TrsfrSum],T0.[DocTotal], T2.[DocNum], T2.[DocDate], T2.[CardName], T3.[ItemCode], T3.[Quantity], T3.[LineStatus] FROM ORCT T0 INNER JOIN RCT2 T1 ON T0.DocNum = T1.DocNum left join OINV T2 on t1.docentry = t2.docentry INNER JOIN INV1 T3 ON T2.DocEntry = T3.DocEntry WHERE T0.[DocDate] between [%0] and [%1] GROUP BY T0.[DocNum], T0.[DocDate], T0.[CardName],T0.[CashSum], T0.[CreditSum], T0.[TrsfrSum],T0.[DocTotal], T2.[DocNum], T2.[DocDate], T2.[CardName], T3.[ItemCode], T3.[Quantity], T3.[LineStatus],T0.[CheckSum]
Thanks & Regards,
Nagarajan