WHAT DOES A SMALL BUSINESS NEED TO DO TO SHIP PAPER PRODUCTS TO INTERNATIONAL DESTINATIONS? ARE THERE FEES?

I am starting the tiny commercial operation as well as wish to know what stairs I need to do to boat to general destinations identical to Japan, Korea, or Mexico. My product is simple, identical to commercial operation cards, though I am perplexing to sense what stairs I need to take to legally suggest my products in those countries. Do I simply fill out the etiquette form during the Post Office as well as I’m all set? Or have been there “export agreements” or some-more difficult decisions I have to make? Legally, if I send my product to the customer in Japan, for example, am I theme afterwards to Japanese laws as well as presumably probable _in_ Japan for breaches of the little permit which I might be all unknowingly of? Any assistance or suggestions would be severely appreciated. Again, this is not the product identical to tobacco or alcohol, though elementary pre-printed cards (very identical to commercial operation cards) which have the clients’ info upon them. Any as well as all assistance will be severely appreciated.