Will Falconer, DVM Moderator
In my experience, a letter of waiver from a sympathetic vet (usually a holistic one meets that criteria, but far from all) will wake the landlords or apt managers up and they'll file that letter and demand no more. They never failed from me, even when I wrote them for out of state clients I worked with. And really: who are they to control the health outcomes of your pet? Have they studied enough immunology to know about duration of immunity? Are they going to step in and cover the expenses when "one shot over the line" causes damage? Of course not. This group invariably gets my ire up.
The key: once you have the letter, never ask if that's "okay." Plunk it down on their desk and tell them "this is a letter of waiver from my vet, explaining we won't be further vaccinating Sadie. Please keep it in your files for future reference. It doesn't expire."