58 Pa. Code § 173.1
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Administration of a common pari-mutuel pool-The performance of ministerial functions relating to a common pari-mutuel pool which may include computation of pool totals, odds and probable payoffs, allocation of funds for distribution to entities establishing the common pari-mutuel pool and preparation of accountings.
Common pari-mutuel pool-A pari-mutuel wagering pool administered in one jurisdiction which includes legal wagers of a single type placed in more than one jurisdiction on a race or series of races.
Establishment of a common pari-mutuel pool-The inclusion of wagers placed in different jurisdictions on a horse race into a single pari-mutuel pool.
Net amount wagered-The amount wagered reduced by the retention imposed under the laws of the Commonwealth or another jurisdiction.
Procedures established for the administration of the common parimutuel pool-The administrative procedures agreed to by the entities establishing a common pari-mutuel pool which may include the procedure for accepting wagers into the common pari-mutuel pool, distributing money from the common pari-mutuel pool, transmitting wagering information and transferring money between the entities establishing the common pari-mutuel pool.
58 Pa. Code § 173.1