China's big banks are introducing provisional deferred mortgage payment plans for COVID-affected customers, according to media reports.Those who are hospitalized or isolated because of infection of COVID-19, people who take part in pandemic prevention and control, and customers who have temporarily lost their income sources due to the pandemic can apply for the payment plans, cctv.com reported.Industrial and Commercial Bank of China, the nation's largest lender by market cap, said that during the deferred payment period, affected customers will not be included in the list of those who make defaults.