Schedule M-1 must contain a complete reconciliation of the book net income with taxable net income as reported to the United States Internal Revenue Service for the most recent year for which a tax return was filed and the 3 preceding years. A complete explanation of all items in the reconciliation must be submitted. If the tax allowances claimed give effect to omission of items appearing in the reconciliations for the most recent tax return or to inclusion of items not appearing therein, the reasons for the omissions or inclusions must be submitted.
Nev. Admin. Code § 703.2415
NRS 703.025, 704.210