The Administrative Procedure Act (APA), which applies to all agencies, provides the general. procedures for various types of rulemaking. The APA details the rarely used procedures for. formal rules as well as the requirements for informal rulemaking, under which the vast majority. of agency rules are issued.
Milk from many animals, particularly cows, has long been a regular food staple for many, but not all, cultures. It provides other food sources such as cheese, yogurt, butter and kefir and is a source of protein, vitamin D and calcium. On the flip side, it's also a trigger for lactose intolerance.
1 Doing so will make it even less likely that the coffee will curdle the milk.  Note that, while coffee is acidic, it is less acidic than vinegar or lemon juice. As a result, cool to lukewarm coffee is not likely to cause dairy milk or soy milk to curdle.