Method: VISIT_TASK
Method: GET_0_FINISH_DATE_LATE
Method: GET_0_FINISH_DATE
Method: SET_DATA_EXT
Method: IF_DPR_COMMON~CHECK
Method: GET_DATA_EXT
Method: SET_FIXED_DATES_FOR_MIRR_TASK
Method: SET_DEFAULTS_UPON_COPYING
Method: GET_ORIGINAL_TASK_DATA