| CERT C++ Secure Coding Standard | INT09-CPP. Ensure enumeration constants map to unique values | 
| CERT Oracle Secure Coding Standard for Java | DCL58-JG. Do not attach significance to the ordinal associated with an enum | 
| ISO/IEC TR 24772:2013 | Enumerator issues [CCB] | 
| MISRA-C | Rule 9.3 |