Important items about the partnership that appear in the header of the Form $1065$ are: A$)$ Name, address, accounting method, total gross receipt, EIN, number of Schedule K$-1.$ B$)$ Total assets, name, address, EIN business activity code, due date of return, accounting method. C$)$ Accounting method, initial orignal return, name EIN, principal business activity, business code. D$)$ Principal business activity, principal product or service, total gross receipts, name, address, EIN accounting method.