F0709 Actual Benefit Prorated Distribution

Hello,

A client just brought to my attention something no one ever did in more than 25 years and I could not figure this one out (although I suspect it always worked that way all along, but just want to make sure of that).  A detailed sample scenario follows, but basically and summarized, here is the question:

Knowing that F0709 Benefits paid by the employer are prorated on every single time card using the transaction number (Alias PRTR) as the join between them, HOW TO avoid prorating a Benefit DBA amount in F0709 on the equivalent time card that is not included in that DBA Basis of Calc?  e.g. an employee has two time cards, one with pay type 001 and the other one with pay type 526. A DBA 3000 calculates 9.0% Pension, but ONLY on the Pay Type 001 gross, NOT on the Pay Type 526.  Still, the result is that F0709 will create two