| | Informality Code: | Description (IBS = Improper Bid Security): | |
| | A | IBS - Incomplete Form, No Contractor Acknowledgment | |
| | AA | BID DISQUALIFIED - No Contractor Signature on Bid Bond | |
| | AB | BID DISQUALIFIED - No Surety Signature on Bid Bond | |
| | AC | BID DISQUALIFIED - Surety Not Licensed in New York State | |
| | AD | BID DISQUALIFIED - Bid Form, No Original Signature | |
| | AE | BID DISQUALIFIED - Bid Bond, No Original Signature | |
| | AG | BID DISQUALIFIED - No Amount Stated on Bid Bond | |
| | AH | BID DISQUALIFIED - No Bid Security | |
| | AI | BID DISQUALIFIED - No Non-Collusion Certification | |
| | AJ | NO BID SUBMITTED | |
| | AK | BID DISQUALIFIED - Other - Non-Responsive | |
| | AL | BID DISQUALIFIED - No Contractor Signature on Bid | |
| | AO | BID DISQUALIFIED - Note Added to Bid (Material) | |
| | AP | BID DISQUALIFIED - Wrong Bid Form | |
| | AQ | BID DISQUALIFIED - No Subcontractor List | |
| | AR | BID DISQUALIFIED - No Signature or Subcontractor's Name or Agreed-Upon Amount on Subcontractor List | |
| | AZ | BID DISQUALIFIED – Contractor Not Registered on NYS DOL Registry | |
| | B | IBS - Incomplete Form, No Surety Acknowledgment | |
| | C | IBS - Improper Corporate Acknowledgment | |
| | D | IBS - Improper Surety Acknowledgment | |
| | E | IBS - Incomplete Form, No Financial Statement of Surety | |
| | F | IBS - Outdated Financial Statement of Surety | |
| | G | IBS - Incomplete Form, No Certification on Power-of-Attorney | |
| | H | IBS - Outdated Certification on Power-of-Attorney | |
| | I | IBS - Incomplete Form, No Power-of-Attorney | |
| | J | IBS - Power-of-Attorney not listed on P/A Form | |
| | K | IBS - Bid Bond Made Out in the Incorrect Amount | |
| | L | IBS - Personal / Company Check | |
| | M | IBS - Note Added to Bid Bond | |
| | N | IBS - Rider Attached to Bid Bond | |
| | O | INFORMALITY - Note Added to Bid (Immaterial) | |
| | P | INFORMALITY - Addendum Not Acknowledged on Bid Form | |
| | R | INFORMALITY - Bid Amount Modified Prior to Bid Opening | |
| | S | | |
| | T | INFORMALITY - Words and Figures Differ | |
| | U | INFORMALITY - Words Omitted from Bid Amount | |
| | V | INFORMALITY - Figures Omitted from Bid Amount | |
| | W | IBS - Bid Bond Not On OGS Form | |
| | Z | INFORMALITY – Contractor NYS DOL Registration Number Incorrect or Missing on Bid Form | |