CSR small block Mopar 727 trans shield

In 40 PLUS years of racing I have never had a transmission shield cert checked and I've raced at many different tracks. But I suppose you would have to contact the company that makes and sells the product. I bought a unused aluminium powerglide tranny shield from a Friend last year that was out of cert and he called just to see how much it would be to recert it and they told him 50.00