24th amendment
This prohibits both Congress and the states from conditioning the right to vote federal elections on payment of a poll tax or other types of tax.
25th amendment
This amendment deals with succession to the Presidency and establishes procedures both for filling a vacancy in the office of the Vice President.
26th amendment
This amendment prohibits the states from setting a voting age higher than eighteen.
27rd amendment
This amendment prohibits any law that increases or decreases the salary of members of the Congress.