Private Members' bills You were introduced to the concept of Private Members' bills earlier in the module. To refresh your memory, select the correct definition below. Private Members' bills are public bills introduced by MPs and Lords who are not government ministers. Private Members' bills are private bills introduced by MPs and Lords who are not government ministers. Private Members' bills are private bills introduced by MPs and Lords who are government ministers. Private Members' bills are public bills introduced by MPs and Lords who are government ministers.