Do I Need Separate ISRC Codes for Video and Audio?

Nope! The same one can, and should be used for both.

No - you do not need separate ISRC codes for video and audio recordings. However, the RIAA recommends the use of a "9" at the beginning of the code to help distinguish between the audio and video recordings.

Don't know what an ISRC is or how to obtain one? Find out everything you need to know about ISRCs and why they are important here !