SELECT SINGLE kalsm INTO l_kalsm FROM t005 WHERE land1 = 'CN'.
SELECT SINGLE txjcd INTO l_txjcd FROM ttxj WHERE kalsm = l_kalsm.
CALL FUNCTION 'GET_TAX_PERCENTAGE'
EXPORTING
aland = 'CN'
datab = l_bedat
mwskz = l_mwskz
txjcd = l_txjcd
TABLES
t_ftaxp = lt_ftaxp.