The requirements apply only so far as compliance does not significantly change a product or service so as to fundamentally alter its basic nature, and does not impose a disproportionate burden. An operator that does not intend to apply a requirement must first assess whether either condition is met, using the criteria set by portaria; an operator receiving external public or private funding to improve accessibility cannot invoke disproportionate burden.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.