“Borat” co-writer and exec producer Dan Mazer has been hired to pen “New Year’s Steve” for 20th Century Fox and Ashok Amritraj’s Hyde Park Entertainment.Mazer will work from a spec written by Josh Herman and Adam Schwartz. High-concept comedy concerns outrageous, life-changing resolutions made over New Year’s Eve. Amritraj and Hyde Park senior VP of production Patrick Aiello are producing. Mazer’s other credits include Comedy Central’s “Dog Bites Man,” which he wrote, directed and produced. Hyde Park is in post-production on the Sandra Bullock starrer “Premonition” for Sony. Shingle also is in production on the David Ellis-helmed “Asylum” and James Wan’s “Death Sentence,” both for Fox.