UPDATE TAX RATE CHANGE -REYNOLDS

I'M NEW TO REYNOLDS AND JUST GOT A LETTER FROM DEPARTMENT OF LABOR ABOUT TAX RATE CHANGE.
I WAS TOLD TO GO TO 1292 TO CHANGE BUT HOW DO I SEE OUR OLD TAX RATE ? ALSO A NEWLY ASSIGNED CONTROLLER. CAN SOMEONE WALK ME THROUGH THE STEPS PLEASE?
I WAS TOLD TO GO TO 1292 TO CHANGE BUT HOW DO I SEE OUR OLD TAX RATE ? ALSO A NEWLY ASSIGNED CONTROLLER. CAN SOMEONE WALK ME THROUGH THE STEPS PLEASE?