A cut-off basis
(17) Cut-off basis. A cut-off basis means a manner in which a change in method of accounting is made without a section 481(a) adjustment and under which only the items arising after the beginning of the year of change (or, in the case of a change made under paragraph (d)(1) of this section, after the date of distribution or transfer) are accounted for under the new method of accounting. (18) Adjustment period. The adjustment period means the number of taxable years for taking into account the section 481(a) adjustment required as a result of a change in method of accounting. (19) Component trade or business. A component trade or business is a trade or business of a party to the section 381(a) transaction that will be combined and integrated with a trade or business of the other party to the section 381 transaction. See paragraph (e)(4)(ii) of this section for the determination of whether a trade or business is operated as a separate and distinct trade or business after the date of distribution or transfer.