Refer to § 1010.100 of this chapter for general definitions not noted herein. To the extent there is a differing definition in § 1010.100 of this chapter, the definition in this section is what applies to part 1021. Unless otherwise indicated, for purposes of this part:

(a) Business year means the annual accounting period, such as a calendar or fiscal year, by which a casino maintains its books and records for purposes of subtitle A of title 26 of the United States Code.

(b) Casino account number means any and all numbers by which a casino identifies a customer.

(c) Customer includes every person which is involved in a transaction to which this chapter applies with a casino, whether or not that person participates, or intends to participate, in the gaming activities offered by that casino.

(d) Gaming day means the normal business day of a casino. For a casino that offers 24 hour gaming, the term means that 24 hour period by which the casino keeps its books and records for business, accounting, and tax purposes. For purposes of the regulations contained in this chapter, each casino may have only one gaming day, common to all of its divisions.

(e) Machine-readable means capable of being read by an automated data processing system.