Answer to your question is Yes That is why I don't pay any attention to all the other "blather" And I already got rid of the black water tank and now have a residential toilet and residential r...
From reading the OPs previous posts, he has already commited to making his trailer stationary. That being the case, I have a different take on the situation.... There are VERY few towable RVs that will hold up to full time use.
Even the (few) better ones are not as durable as a real house.