I sure don"t!!
Stock footage from my report…
Dryer exhaust ducts shall be independent of all other systems, shall convey the moisture to the outdoors, shall terminate on the outside of the building in accordance with the manufacturer’s installation instructions and shall be equipped with a back-draft damper.
Exhaust ducts shall be constructed of rigid metal ducts, having smooth interior surfaces with joints running in the direction of air flow. Screens shall not be installed at the duct termination. Exhaust ducts shall not be connected with sheet-metal screws or any means which extend into the duct. (Screens and screws can trap lint.)
**Exhaust duct terminations shall be in accordance with the dryer manufacturer’s instructions. **
…then I tell 'em what I found.