Create a new subrule to the rule “Routes”. Title it “Bank” and give it the following text:

A Bank Route has a Scouting Cost of 12. When a Driver Drives a Bank Route, that Driver must choose one (and only one) of two options: either transfer X from their Cash to their Bank Account, where X is less than half their Cash, or transfer Y from their Bank Account to their Cash. A Driver’s Bank Account is a non-negative integer, with starting value 0, that exists only when that Driver has at least one Bank Route in their pool. It is tracked in the GNDT by adding the number Z as a punctuation to any one of their Bank Routes, where Z is the value of their Bank Account.