S-124 document management page This page is no longer in use. Refer to the IHO portal. Documents S-124 Draft Workplan Download S-124 Draft Workplan (WWNWS17 approved version) S-124 version 2.0 Change request S-124 version 2.0 Change request Log Data Classification and Encoding Guide (DCEG) Download S-124 DCEG (Track changes version) Download S-124 DCEG v.0.5 Download S-124 DCEG v.0.5 (clean) Implementation Guide No file Validation checks No file S-124 Project team meeting minutes 2025: October 2 2026: January 7
