Using more than one OF clause to access a data item can quickly decrease the readability of the source code. Either some
OF clauses are optional and should be removed, or there are too many intersections between several data structures and those
intersections should be removed.
Noncompliant code example
01 EMPLOYEE.
05 MOTHER-IN-LAW.
10 NAME PIC X(20).
05 FATHER-IN-LAW.
10 NAME PIC X(20).
...
01 CUSTOMER.
05 MOTHER-IN-LAW.
10 NAME PIC X(20).
05 FATHER-IN-LAW.
10 NAME PIC X(20).
...
MOVE MY_VALUE TO NAME OF MOTHER-IN-LAW OF CUSTOMER
