[
 {
  "creation": "2013-01-10 16:34:27", 
  "docstatus": 0, 
  "modified": "2013-01-23 16:54:25", 
  "modified_by": "Administrator", 
  "owner": "Administrator"
 }, 
 {
  "doctype": "DocType", 
  "istable": 1, 
  "module": "Stock", 
  "name": "__common__"
 }, 
 {
  "doctype": "DocField", 
  "name": "__common__", 
  "parent": "Item Tax", 
  "parentfield": "fields", 
  "parenttype": "DocType", 
  "permlevel": 0
 }, 
 {
  "doctype": "DocType", 
  "name": "Item Tax"
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "tax_type", 
  "fieldtype": "Link", 
  "label": "Tax", 
  "oldfieldname": "tax_type", 
  "oldfieldtype": "Link", 
  "options": "Account", 
  "reqd": 1
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "tax_rate", 
  "fieldtype": "Float", 
  "label": "Tax Rate", 
  "oldfieldname": "tax_rate", 
  "oldfieldtype": "Currency", 
  "reqd": 0
 }
]