General info on Conditionally Required and Optional fields

Signed-off-by: Michael Schnuerle <1285077+schnuerle@users.noreply.github.com>

Author: schnuerle

general-information.md

@@ -6,6 +6,7 @@ This document contains specifications that are shared between the various MDS [A
 
 - [Authorization](#authorization)
 - [Beta Features](#beta-features)
+- [Conditionally Required Fields](#conditionally-required-fields)
 - [Costs and Currencies](#costs-and-currencies)
 - [Data Types](#data-types)
 - [Definitions](#definitions)
@@ -14,6 +15,7 @@ This document contains specifications that are shared between the various MDS [A
 - [Geographic Data](#geographic-data)
   - [Intersection Operation](#intersection-operation)
 - [Geography-Driven Events](#geography-driven-events)
+- [Optional Fields](#optional-fields)
 - [Responses](#responses)
   - [Error Messages](#error-messages)
   - [Bulk Responses](#bulk-responses)
@@ -83,6 +85,12 @@ Working Groups and their Steering Committees are expected to review beta designa
 
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+## Conditionally Required Fields
+
+Conditionally required fields **must** be provided in MDS data feeds from operators if the data is available from the operator, and/or the public agency requests it as part of its permit, RFP, contract, operating agreement, SLA, [Requirements](./policy#requirement) file, or via other authority. Or as part of the conditional requirement as stated in the field's descritpion.
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 ## Costs and Currencies
 
 Fields specifying a monetary cost use a currency as specified in [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217#Active_codes). All costs should be given as integers in the currency's smallest unit. As an example, to represent $1 USD, specify an amount of `100` (100 cents).
@@ -167,6 +175,12 @@ During the Beta period for this feature, location and telemetry data remain requ
 
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+## Optional Fields
+
+Optional fields **may** be provided in MDS data feeds from operators if the data is available from the operator, and/or the public agency requests it as part of its permit, RFP, contract, operating agreement, SLA, [Requirements](./policy#requirement) file, or via other authority. 
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 ## Responses
 
 - **200:** OK: operation successful.