Ok, what do you call them so you don't confuse that round of tariffs with other ones? "April 2 tariffs" doesn't work because, while that day was when they were

Ok, what do you call them so you don't confuse that round of tariffs with other ones? "April 2 tariffs" doesn't work because, while that day was when they were announced, the steel and aluminum tariffs also went into effect on that same day.