Method: CHANGE_COLLECTION_TYPES
Method: GET_PAYMT_AMOUNT
Method: GET_TP_AMOUNT
Method: GET_PAYMT_DATA
Method: GET_COLLTYPES
Method: GET_ADD_PAYMETHODS
Method: GET_PAYMT_NUMBER
Method: PROPOSE_CURRENCY
Method: IF_EX_ERP_ISA_GEN_DOC_SEL~POSTPROCESS_RESULT