3GPP44.006Data Link (DL) layer specificationMobile Station - Base Station System (MS - BSS) interfaceRelease 16TS
The format of the random access message at the data link layer consists of 8 bits. The order of bit transmission is defined in 3GPP TS 44.004.
Annex G (normative):
Handling of frames with parameter errors in the address, control and length indicator fields