How does Period End Accrual Accounting Lines Budget Check Occurs

Hi

I have a query regarding "Period End Accrual" processing in Expense. In our PeopleSoft 9.2 system,  i have not selected the "Commitment Control Accrual" checkbox on BU-Definition.

Scenario: When i run the period end accrual process for pending expense reports, i can see the accounting lines and reversal lines are getting created in "EX_ACCTG_LINE" table for pending expense transactions.  So for a single expense line there are 4 rows created in EX_ACCTG_LINE table 2 rows for (DST) Acct type and 2 rows for "EXB" Acct Type. I can see the "EXTB" rows are getting budget checked and their "BUDGET_HEADER_STATUS" and "BUDGET_LINE_STATUS" is "V"  but for the other 2 rows of "DST" Acct Type there is no budget checking and hence remains in "N" status.