PY Canada Arrears

Hi

I have a requirement like this:

When a person is on unpaid absence and if WT 9105 is available in RT for the current Pay period. WT 6105 should not get into the arrears table. Otherwise it should get into arrears table when there is no sufficient money to deduct.

I tried writing the PCR and assigned it to function PRART (reads previous ARRS Table and not current). But it is not working.

Can any one guide me as to what should be done to accomplish this.

IN SCHEMA

PRART &ARS GEN NOAB

Thanks and regards,

Victor