--To be run immediately before MST391, to zero out the RFD ARPPDH CRD-AMT values.
update arppdh_m
set arppdh_m.crd_amt = 0.000000
from arppdh_m
join mstprm_m prm on prm.ord_num = arppdh_m.dbt_nbr
where prm.ctm_nbr in ('000097583085', '000097583086', '000097583807') and arppdh_m.src_dta = 'RFD'

--To be run immediately after MST391, to restore the RFD ARPPDH CRD-AMT values.
update arppdh_m
set arppdh_m.crd_amt = arppdh_m.tot_pad
from arppdh_m
join mstprm_m prm on prm.ord_num = arppdh_m.dbt_nbr
where prm.ctm_nbr in ('000097583085', '000097583086', '000097583807') and arppdh_m.src_dta = 'RFD'