Baby Bonus & Birth Cert Registration

Quick question about baby bonus. 1. When can i apply for baby bonus? can apply after birth? (Due in 4 weeks time) 2. Can i apply for baby's birth cert together with baby bonus at KKH? 3. What documents are needed to apply? 4. Can i apply baby bonus (to be eligible for cash gift) after i get my married cert (marriage was postponed due to Circuit Breaker) ? 5. When is the latest to register for both birth cert & BB ? (14 days after birth or anytime after birth?) Thanks in advance lovelies!