| Implementation Specification for Geographic information - Simple feature access - Part 2: SQL option 1.1 |  Compliant 2011-11-28 |
| | Simple Features - SQL - Binary Geometry 1.1 | Compliant 2011-11-28 |
| | Simple Features - SQL - Normalized Geometry 1.1 | Compliant 2011-11-28 |
| | Simple Features - SQL - Types and Functions 1.1 | Compliant 2011-11-28 |