At the end, it's a question of money and ego. The different CAA should not write down requirements for LTC as it will go against the main purpose: having a cheap instructor. Unless the requirements are so low that it makes no difference. There is the ego issue. If you are asking to a TRi or TRe what he is thinking about LTCs , what do think would be his answer? Yes , but ...
Some CAA do not have anything written about LTCs requirements some do. You need to check with yours. Just ask the questions your local licensing office. That's the best way to be 100% sure. Br