Method: GET_1ST_DAY_OF_WISHED_MONTH
Method: GET_1ST_DAY_OF_WISHED_WEEK
Method: GET_LAST_DAY_OF_WISHED_WEEK
Method: GET_LAST_DAY_OF_WISHED_MONTH
Method: SHIFT_DATE_IN_WORKDAYS
Method: IF_CPE_FE_PERIOD_DET_ROUTINE~PERIOD_DETERMINATION
Method: FORMULA_EVALUATION