Indicate whether each of the following are External users or Internal users.

$\backslash$table$[[$a$.$ Business press,$],[$b$.$ Production managers,$],[$c$.$ Legislators,$],[$d$.$ Regulators,$],[$e$.$ Distribution managers,$],[$f$.$ Internal Revenue Service $($IRS$),],[$g$.$ Utility boards,$],[$h$.$ Voters,External user$],[,]]$