Each printed circuit board (PCB) shall be identifiable by some sort of name, or number, and revision level and:

1. (1) The top assembly revision level of the PCB shall be identifiable (if track cuts and/or patch wires are added to the PCB, then a new revision number or level shall be assigned to the assembly);
2. (2) Manufacturers shall ensure that circuit board assemblies used in their EGS conform functionally to the documentation and the certified versions of those PCBs that were evaluated and certified by the test laboratory;
3. (3) All patch wires and track cuts shall be documented in a service bulletin and shall be submitted to an independent test laboratory for verification (this does not prohibit required repairs in the field); and

4. (4)

   1. (A) Switches or jumpers which may alter specific EGS configuration settings, paytables, game denomination, or payout percentages must be housed within a logic compartment.

   2. (B) This includes:

      1. (i) Top award changes, including progressives;
      2. (ii) Selectable blackjack settings; or
      3. (iii) Any other option that would affect the payout percentage.