Select TableA.ID_Number, 
       TableA.Name, 
       TableB.Address
  From TableA, TableB
 Where TableB.ID_Number(+) = TableA.ID_Number 
       TableB.Date_From(+) = (Select max(b.Date_From) 
                                From TableB b 
                               where TableB.ID_Number = b.ID_Number 
                                 and b.Date_From <= SYSDATE 
                                 and b.Date_to >= SYSDATE)

ORA-01799: a column may not be outer-joined to a subquery
  *Cause: <expression>(+) <relop> (<subquery>) is not allowed.
  *Action: Either remove the (+) or make a view out of the subquery.
           In V6 and before, the (+) was just ignored in this case.

SQL> 
SQL> select *
  2  from dual a
  3  where a.dummy(+) = (select dummy from dual)
  4  /
where a.dummy(+) = (select dummy from dual)
                                          *
ERROR at line 3:
ORA-01799: a column may not be outer-joined to a subquery


SQL> select *
  2  from dual a
  3  where a.dummy = (select dummy from dual)(+)
  4  /
where a.dummy = (select dummy from dual)(+)
                                        *
ERROR at line 3:
ORA-00933: SQL command not properly ended


SQL> 
SQL> 
SQL> with
  2       subquery as (select * from dual)
  3  select *
  4  from dual
  5      ,subquery
  6  where dual.dummy = subquery.dummy(+)
  7  /

D D
- -
X X

1 row selected.

SQL> with
  2       subquery as (select * from dual)
  3  select *
  4  from dual
  5      ,subquery
  6  where dual.dummy(+) = subquery.dummy
  7  /

D D
- -
X X

1 row selected.

SQL>