给父母延期89天，网上申请的话要提供证明直系

亲属关系的材料，什么材料才算呢？b) Click Extension up to 89 days link in the main menu if you wish to apply for extension up to 89 days from date of entry and fulfill the following criteria:-
(i) You are a foreigner with family ties where your immediate family members are Singapore Citizen or Singapore Permanent Resident and you are able to furnish original supporting documentary evidence to establish relationship; or