FINANCIAL_RECEIPT_INVOICE_MANAGE FINANCIAL Endpoint
  /rpc/financial/?method=FINANCIAL_RECEIPT_INVOICE_MANAGE  
  Object: 250. Click here for more information.  
  Link an Invoice to a Receipt  
  PARAMETERS TYPE NOTES
  DataReturn Text A comma delimited list of advanced search fields to be returned after a successful save
  Id Numeric  
  Remove Numeric Pass '1' to remove the item
       
  Amount Numeric When adding, if left blank, defaults to the smaller of the Invoice's item Amount, or the Receipt's Item Amount
  AppliesDate Date If left blank, it will default to today
  InvoiceLineItem Numeric Mandatory. Id of the Line Item from the Invoice
  Notes Text (2000)  
  ReceiptLineItem Numeric Mandatory. Id of the Line Item from the Receipt
  Tax Numeric If left blank, it will automatically calculate
  RETURN  
  id