Change customer fd02.

Dear Experts,

I am writing in lsmw program regarding changing the customer tax types.its working fine.

but same customer in different tax types is there.in that case automatically overwrited.

My Requirements is same customer but different tax types is coming added queue only.is not overwrited.

if lsmw is not possible how to write bdc for in that cases.

My target:

kunnr bukrs do610 WITHT WT_WITHCD WT_AGENT WT_AGTDF WT_AGTDT

5000000 abc X 01 01 X 01012000 01032009

5000000 abc X 02 02 X 01012000 01032009

But upload in lsmw automatically overwrited sample here.

kunnr bukrs do610 WITHT WT_WITHCD WT_AGENT WT_AGTDF WT_AGTDT

5000000 abc X 02 02 X 01012000 01032009

Note: Last record only uploaded First record overwrited.Please help me

Thanks & regards,

raj