是孩子出生和拿到公民半年内申请吧……Eligibility conditions An SC/SPR household will qualify for the Citizen Top-Up in any of these instances: The SPR spouse originally listed in the flat application obtains Singapore Citizenship status An SC child is born to the SC applicant/ owner and spouse originally listed in the flat application The SPR parent/ child/ sibling* originally listed in the flat application obtains Singapore Citizenship status * Conversion of sibling to SC to qualify for the Citizen Top-Up applies only to flats purchased under the Orphans Scheme and Non-Citizen Spouse Scheme. Timeframe You must submit your application within 6 months of being eligible for the Citizen Top-Up.