OPDPlanQuantity__c if(AND(NOT(ISBLANK(SSlastMonth_Plan__c)) , NOT(ISBLANK(SSBollow_Date__c)), (MONTH(SSBollow_Date__c) = IF(MONTH(TODAY()) = 1, 12, MONTH(TODAY())-1))),1,0) 0907BK if(ISBLANK(SSBollow_Date__c),1, if(AND(NOT(ISBLANK(SSThisMonthPlan__c)) , NOT(ISBLANK(SSBollow_Date__c)), (MONTH(SSBollow_Date__c) = MONTH(TODAY()))),1,0) ) false if(ISBLANK(SSBollow_Date__c),1, if(AND(NOT(ISBLANK(SSThisMonthPlan__c)) , NOT(ISBLANK(SSBollow_Date__c)), (MONTH(SSBollow_Date__c) = MONTH(DATEVALUE(CreatedDate-15)))),1,0) ) BlankAsZero 18 false 0 false Number false