Determine the specific eight$-$digit Codification citation $($XXX$-$XX$-$XX$-$X$)$ for each of the following:

The balance sheet classification for a note payable due in six months that was used to purchase a building.

The assets that may be excluded from current assets.

Whether a note receivable from a related party would be included in the balance sheet with notes receivable or accounts receivable from customers.

The items that are nonrecognized subsequent events that require a disclosure in the notes to the financial statements.