I know. I was going to show them this, (see bold), but didn't seem worth the argument:
http://www.suratimmigration.go.th/images/point.jpg Notification of residence of foreigners for businesses
According to section 38 of the 1979 immigration act, "House owners, heads of household, landlords or managers of hotels who accommodate foreign nationals on a temporary basis who stay in the kingdom legally, must notify the local immigration authorities within 24 hours from the time of arrival of the foreign national.
I will go tomorrow and try and get a new "permit" stapled into my passport.