Commercial Spot Specs:

Length: :30 or :6
Aspect Ratio 16x9
Frame Size** 3840 x 2160
Codec** ProRes 422 HQ
Frame Rate 23.976fps (assuming this is native)
File Format*** .MOV
Audio: Linear PCM 16-bit 48khz
**Frame Size: 1280x720 or 1920x1080 Acceptable When Native

SFX, Music, Voice over, NAT on separate channels