The Environmental Protection Agency (EPA) has issued a final order to stop the use of a chemical called Tetrachlorvinphos (TCVP) on dogs, cats, and in kennels and dog houses. This decision was made after the company Chem-Tech, Ltd voluntarily requested to end these uses, and no public comments were received during the comment period that would change this decision. The order is effective from February 18, 2021, meaning that any sale, distribution, or use of products with TCVP must comply with the new rules. Existing stocks can still be used or sold until they run out, as long as it's done according to the existing labeling.
Simple Explanation
The EPA is stopping the use of a chemical called Tetrachlorvinphos (TCVP) on pets like dogs and cats because a company asked them to and nobody objected. So, from now on, people can only use or sell the stuff they already have, and they have to follow the rules on the label.