wifes mother is ill in china, can we stay in China longer than 30 days. and want forms are required?

If your estimated stay in China is longer than 30 days, please make it clear in the application form and ask for the Visa Officer's approval when you submit your application. The Visa Application Form of P.R.China V.2011A is required if you apply visa in Australia and you hold an Australian passport. You need to apply for a Family Visit Visa (L visa).