Flix bars, a chocolate manufacturer, displays the brown dot in a brown square symbol, instead of the green dot in a green square symbol, on the packaging of its products in Indian markets to indicate the presence of animal-based ingredients. Such mandatory requirements that necessitate changes in the labeling of products are part of the _____ requirements in the local marketplace.

A. climatic
B. technological
C. cultural
D. economic
E. legal

Answer: E. legal