diff --git a/netforce_clinic/migrations/__init__.py b/netforce_clinic/migrations/__init__.py
index 204e2c6..1c76385 100644
--- a/netforce_clinic/migrations/__init__.py
+++ b/netforce_clinic/migrations/__init__.py
@@ -1,7 +1,7 @@
 from . import clinic_setting
-from . import update_account_tracking
+#from . import update_account_tracking
 #from . import print_labor_cost
 #from . import hdcase
 #from . import remove_conv_bal
-#from . import import_acc
+from . import import_acc
 #from . import update_labor_cost_line
diff --git a/netforce_clinic/migrations/import_acc.py b/netforce_clinic/migrations/import_acc.py
index 95a15a9..7aab000 100644
--- a/netforce_clinic/migrations/import_acc.py
+++ b/netforce_clinic/migrations/import_acc.py
@@ -1,40 +1,49 @@
 from netforce.model import get_model
 from netforce import migration
-from netforce.access import set_active_user, get_active_user, set_active_company
+from netforce.access import set_active_user, set_active_company
 
 class Migration(migration.Migration):
     _name="import.acc"
-    _version="2.11.0"
+    _version="2.10.0"
     
     def migrate(self):
+        set_active_user(1)
         set_active_company(1)
         cbv_id=24
         cbv=get_model("conv.bal").browse(cbv_id)
-        #cbv.write({
-            #'file': 'tb.csv',
-        #})
-        #print("import acc file (step 1) running ...")
-        #get_model("conv.bal").import_acc([cbv.id],context={})
+        cbv.write({
+            'file': 'tb.csv',
+        })
+        print("import acc file (step 1) running ...")
+        get_model("conv.bal").import_acc_file([cbv.id],context={})
+        get_model("conv.bal").import_acc([cbv.id],context={})
 
-        #cbv.write({
-            #'file': 'ar.csv',
-        #})
-        #print("import sale file (step 2)running ...")
-        #get_model("conv.bal").import_sale_file([cbv.id],context={})
+        cbv.write({
+            'file': 'ar.csv',
+        })
+        print("import sale file (step 2)running ...")
+        get_model("conv.bal").import_sale_file([cbv.id],context={})
+        get_model("conv.bal").import_sale([cbv.id],context={})
 
-        #print("import purch file (step 3) running ...")
-        #cbv.write({
-            #'file': 'ap.csv',
-        #})
-        #get_model("conv.bal").import_purch([cbv.id],context={})
-        #print("create invoice from setep 1 to 3 is running...")
-        #print("create_open_entry...")
-        #print('Done!')
-        #cbv.create_open_entry()
-        #print("create_sale_invoices...")
-        #cbv.create_sale_invoices()
-        #print("create_purch_invoices...")
-        #cbv.create_purch_invoices()
+        print("import purch file (step 3) running ...")
+        cbv.write({
+            'file': 'ap.csv',
+            'date_fmt': '%d/%m/%Y',
+        })
+        get_model("conv.bal").import_purch_file([cbv.id],context={})
+        get_model("conv.bal").import_purch([cbv.id],context={})
+
+        cbv.write({
+            'date_fmt': '%Y-%m-%d',
+        })
+
+        # next 3
+        print("create_open_entry...")
+        cbv.create_open_entry()
+        print("create_sale_invoices...")
+        cbv.create_sale_invoices()
+        print("create_purch_invoices...")
+        cbv.create_purch_invoices()
         print("Done!")
         return True
 
diff --git a/netforce_clinic/models/__init__.py b/netforce_clinic/models/__init__.py
index cb004e0..babbd2b 100644
--- a/netforce_clinic/models/__init__.py
+++ b/netforce_clinic/models/__init__.py
@@ -140,3 +140,4 @@ from . import share_location
 from . import report_cycle_setting
 from . import print_labor_cost
 from . import print_labor_cost_line
+from . import conv_bal
diff --git a/netforce_clinic/models/conv_bal.py b/netforce_clinic/models/conv_bal.py
new file mode 100644
index 0000000..169ab5e
--- /dev/null
+++ b/netforce_clinic/models/conv_bal.py
@@ -0,0 +1,135 @@
+import csv
+import datetime
+from io import StringIO
+
+from netforce.model import Model, fields, get_model
+from netforce.utils import get_file_path
+
+class ConvBal(Model):
+    _inherit="conv.bal"
+
+    def create_sale_invoices(self,ids,context={}):
+        obj=self.browse(ids)[0]
+        settings=get_model("settings").browse(1)
+        desc="Conversion balance %s"%obj.date
+        for inv in obj.sale_invoices:
+            vals={
+                "type": "out",
+                "inv_type": inv.amount_due>=0 and "invoice" or "credit",
+                "partner_id": inv.contact_id.id,
+                "date": inv.date,
+                "due_date": inv.due_date,
+                "number": inv.number,
+                "ref": inv.ref,
+                "memo": desc,
+                "lines": [],
+                "state": "waiting_payment",
+                "account_id": inv.account_id.id,
+                "reconcile_move_line_id": inv.move_line_id.id,
+                "currency_id": inv.account_id.currency_id.id,
+                "currency_rate": inv.amount_due/inv.amount_cur if inv.amount_cur else None,
+            }
+            line_vals={
+                "description": desc,
+                "amount": abs(inv.amount_cur or inv.amount_due),
+            }
+            vals["lines"].append(("create",line_vals))
+            res=get_model("account.invoice").search([["number","=",inv.number]])
+            if res:
+                inv2_id=res[0]
+                inv2=get_model("account.invoice").browse(inv2_id)
+                #ratchawat
+                inv2.write({
+                    'lines': vals['lines'],
+                })
+                #if abs(inv2.amount_total)-abs(inv.amount_due)>0.001: # XXX
+                    #raise Exception("Failed to update invoice %s: different amount"%inv.number)
+                #if inv2.state=="draft":
+                    #raise Exception("Failed to update invoice %s: invalid state"%inv.number)
+                #inv2.write({
+                    #"move_id": obj.move_id.id,
+                    #"reconcile_move_line_id": inv.move_line_id.id,
+                #})
+            else:
+                get_model("account.invoice").create(vals)
+
+    def import_sale_file(self,ids,context):
+        obj=self.browse(ids)[0]
+        path=get_file_path(obj.file)
+        data=open(path).read()
+        rd=csv.reader(StringIO(data))
+        headers=next(rd)
+        headers=[h.strip() for h in headers]
+        del_ids=get_model("conv.sale.invoice").search([["conv_id","=",obj.id]])
+        get_model("conv.sale.invoice").delete(del_ids)
+        for row in rd:
+            print("row",row)
+            row+="," #XXX append blank column for Amount Cur
+            line=dict(zip(headers,row))
+            print("line",line)
+            if not line.get("Number"):
+                continue
+            number=line["Number"].strip()
+            if not number:
+                continue
+            ref=line["Reference"].strip()
+            contact_name=line["Contact"].strip()
+            res=get_model("partner").search([["name","=",contact_name]])
+            if not res:
+                raise Exception("Contact not found: '%s'"%contact_name)
+            contact_id=res[0]
+            date=datetime.datetime.strptime(line["Date"].strip(),obj.date_fmt).strftime("%Y-%m-%d")
+            due_date=datetime.datetime.strptime(line["Due Date"].strip(),obj.date_fmt).strftime("%Y-%m-%d")
+            amount_due=float(line["Amount Due"].strip().replace(",","") or 0)
+            acc_code=line["Account"].strip()
+            amount_cur=float(line["Amount Cur"].strip().replace(",","") or 0)
+            acc_codes=acc_code.split(",")
+            if len(acc_codes) > 1:
+                count=0
+                amts=[m.split(":")[1] for m in line['Memo'].split(",")]
+                for acc_code in acc_codes:
+                    acc_code=acc_code.strip()
+                    res=get_model("account.account").search([["code","=",acc_code]])
+                    if not res:
+                        raise Exception("Account code not found: %s"%acc_code)
+                    acc_id=res[0]
+                    amount_due=amts[count]
+                    vals={
+                        "conv_id": obj.id,
+                        "number": number,
+                        "ref": ref,
+                        "contact_id": contact_id,
+                        "date": date,
+                        "due_date": due_date,
+                        "amount_due": amount_due,
+                        "account_id": acc_id,
+                        "amount_cur": amount_cur,
+                    }
+                    get_model("conv.sale.invoice").create(vals)
+                    count+=1
+            else:
+                res=get_model("account.account").search([["code","=",acc_code]])
+                if not res:
+                    raise Exception("Account code not found: %s"%acc_code)
+                acc_id=res[0]
+                vals={
+                    "conv_id": obj.id,
+                    "number": number,
+                    "ref": ref,
+                    "contact_id": contact_id,
+                    "date": date,
+                    "due_date": due_date,
+                    "amount_due": amount_due,
+                    "account_id": acc_id,
+                    "amount_cur": amount_cur,
+                }
+                get_model("conv.sale.invoice").create(vals)
+        return {
+            "next": {
+                "name": "conv_bal",
+                "active_id": obj.id,
+                "view_xml": "conv_bal2",
+            }
+        }
+
+ConvBal.register()