What are the visa & residency requirements in Vientiane?

"To apply for a visa to Vientiane, travelers must submit a valid passport, a completed visa application form, a passport-sized photograph, and proof of onward travel. Depending on the type of visa, additional documents may be required. Once the application is submitted, the visa processing time can take up to 10 business days. To apply for residency in Vientiane, Laos, applicants must submit a valid passport, a completed application form, a passport-sized photograph, proof of financial stability, and a valid visa. Depending on the type of residency, additional documents may be required. Once the application is submitted, the processing time can take up to 30 business days," said another expat in Vientiane, Laos.