@Gena *****
the main requirement for permanent residency, or citizenship, is that your husband legally work for a minimum of three years, making a minimum of bt40,000 a month, and filing Thai income tax every year. If this requirement is not met there is no way he can get permanent residency, or citizenship. He can work legally on a type O visa extension based on Thai wife, what most call a marriage visa. The first year there is a lot of paperwork involved, but if you keep copies of everything, every following year you use everything as before, just with new bank letters, and new pictures. He can't legally work on a retirement visa, or an expensive Elite visa. Every visa has yearly extension requirements, so him on a marriage visa extension, and working is the best long term option, as then he has the possibility of getting permanent residency, meaning he would be done with immigration, just reporting his address with the police once a year. Seriously think about this.