Is when someone in authority extracts payment under duress.

I believe the answer is Extortion
Examples of an extortion would be a Cop who are asking money for local citizens as a form of 'security payment'.
Or a member of security exchange committee that requires a company a sum amount of payment by threating to open up an investigation toward them.

The electoral college consists of 538 electors. a majority of 270 electoral votes is required to elect  the president. your state's entitled allotment of electors equals the number of members in its congressional delegation: one for each member in the house of representatives plus two for yoursenators.congress does the electoral college represent