FINANCIAL_INVOICE_COPY	FINANCIAL Endpoint
	/rpc/financial/?method=FINANCIAL_INVOICE_COPY
	Add or update an invoice. Click here to learn about financials locking.

	PARAMETERS	TYPE	NOTES
	DueDate		If not set, will default based on the contact's payment terms
	Id	Numeric
	Sent	Y/N
	SentDate

	RETURN
	id

	EXAMPLE