What does this reading mean?

the department. Before beginning the hearing, management moved to prohibit the arbitra- tor from making any ruling based on state statutes because they were outside authority to interpret a dispute arising from a collective bargaining agreement. the arbitrator's jurisdiction. Mark Katzmann argued that an arbitrator only had Arbitrator Reeves ruled that although rules of an administrative agency such as the State Personnel Board are not arbitral in isolation by an impartial arbi- trator, a particular rule that clarifies the meaning of a specific provision of the CBA may be considered for interpretive purposes by the arbitrator. Thus, the State Personnel Board's Rule 6.9.1 is a general prohibition against changing the "normal workweek" to avoid paying overtime. This rule was deemed per- tinent by the arbitrator in understanding the context of Article 8.1, which al- lowed the department to change a normal workweek according to unspecified "needs of a unit