Help me apply BCP 14 requirement levels to the material below.
Reader and existing knowledge: [describe]
Task and desired outcome: [describe]
Use these principles: Declare that the document uses the BCP 14 convention.; Use MUST, SHOULD, and MAY deliberately with their defined meanings.; Supply enough context to understand exceptions and implementation consequences..
Preserve source facts, identifiers, quantities, conditions, exceptions, and uncertainty.
Separate supplied facts from assumptions. Ask for missing information instead of inventing it.
Explain your representation choices and provide a review checklist. Do not claim formal compliance or correctness from formatting alone.
Material: [paste only information you are permitted to share]