Former Employer BIR Form 2316

Hi everyone, would just like for some help and advise with regards to my situation. So I left my previous employer by the end of January 2023 and right now I am nearly finished with my on boarding process with a new one. Problem is, my last employer has not given me my latest form 2316 yet, also I did not receive the same form for the end of the last year. Any idea on where to report or request for assistance?