What are the visa & residency requirements in Patzcuaro?

"In order to enter Patzcuaro, visitors must possess a valid visa, depending on their nationality. To apply for a visa, foreign citizens will need to submit a visa application, with supporting documents and photographs, to the Embassy or Consulate of Mexico in their home country. These documents may include a copy of the applicant's passport and proof of their ability to financially support themselves while in Mexico. Foreign citizens who intend to stay in Patzcuaro, Mexico for an extended period of time will need to apply for residency. To do so, applicants will have to submit a request for a residency visa to the nearest Mexican Embassy or Consulate in their home country. They will also need to provide documents that prove their identity, the purpose of their visit and their financial resources. Furthermore, applicants will have to go through medical examinations and provide security guarantees before their residency application can be approved," mentioned another expat when asked about moving to Patzcuaro, Mexico.