First time filing common law with a self employed spouse, how do I file with him not having his T5 yet before May?

This is my first time filing common law with a self employed spouse who has his own construction company. I am trying to file separately but I still need to add all his info but his T5 is not ready yet as he does his personal filing at the same time as the company in May. How do I complete my filing without his info? I’m totally loss and need help moving forward as the deadline is approaching. Thanks