# OED fields The input fields for each OED file, grouped by file. **Status** is the field's requirement level for property business: ```{list-table} :header-rows: 0 :widths: 10 90 * - `R` - Required * - `O` - Optional * - `CR` - Conditionally required (required in certain circumstances — see the field description) * - `n/a` - Not applicable to this file / line of business ``` Line-of-business status for Cyber, Liability and Marine Cargo is carried in `oed.json` (`Cyber/Liability/Marine Cargo field status`); the table below shows the property status. ```{include} _generated/oed_fields.md ```