Basic PT Documents
| Description | Date |
| S-100WG / S-121 PT - Terms of Reference - (PDF) | |
| Instructions for the Submission of Reports and Proposals | |
| S-121 Project Team Members | Dec2016 |
| S-121PT Letters: | |
| S-121 Product Specification ((All published editions are available from the IHO Registry) | |
| Meeting documents for the current and previous year are maintained on this site. All earlier meeting documents are available from the IHO Document Archive. |
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