The foreigner’s declaration is sufficient unless any document is requested for the short-term and student residence permits by the administration. For family residence permit applications, the total income of the supporter must not be less than the minimum wage and their income must be one-third of minimum wage per person. Long-term residence permit requires an adequate and regular income. In determining a sufficient and regular income, your income may be accepted if it is equal to the monthly minimum wage, or if you have an income-generating property, money in the bank to secure your livelihood in our country.