The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT ra.receivable_application_id
INTO l_ra_id
FROM ar_receivable_applications ra
, ar_payment_schedules ps
WHERE ps.payment_schedule_id = ra.applied_payment_schedule_id
AND ra.cash_receipt_id = p_cash_receipt_id
AND ra.status = 'APP'
AND ps.customer_trx_id = p_customer_trx_id
AND ra.display = 'Y'
AND ps.class = 'CM';