Kosher Tanker

I AM LEASED TO A LARGE TANKER COMPANY. I THINK ITS JUST A YEARLY THING THAT IS REQUIRED LIKE A DOT INSPECTION. ALL THE TRAILERS HAVE PAPERS SIGNED FOR THEM IN THE TRAILER TUBES ON THE TRAILERS WITH THE DOT INSPECTIONS AN THE INSURANCE PAPERS. SOME OF THE SHIPPERS AN RECEIVERS WILL ASK ME FOR IT BEFORE I LOAD OR UNLOAD. ALL SHIPPERS AND RECEIVERS WILL REQUIRE A WASH CERTIFICATE FROM THE LAST WASH COMPANY YOU USED ALSO. MOST SHIPPERS WILL HAVE THEIR OWN WASH OUT RIGHT ON THE LOADING SITE OR A DESIGNATED ONE NEAR TO LOADING SITE. THE WASH TICKETS WILL HAVE DOCUMENTATION THAT IT WAS WASHED AT AN APROVED AND INSPECTED BLESSED KOSHER WAS SITE. I HAVE NEVER BEEN THERE THOUGH WHEN THE RHABI WAS THERE THOUGH.