Editing My 3GPP TS 24.007 Notes (section)

===== 11.2.1.1.4 Categories of IEs; order of occurrence of IEI, LI, and value part =====
Totally five categories of standard information elements are defined:
;type 1:information elements of format V or TV with value part consisting of 1/2 octet
;type 2:information elements of format T with value part consisting of 0 octets
;type 3:information elements of format V or TV with value part that has fixed length of at least one octet
;type 4:information elements of format LV or TLV with value part consisting of zero, one or more octets and a maximum of 255 octets
;type 6:information elements of format LV-E or TLV-E with value part consisting of zero, one or more octets and a maximum of 65535 octets. This category is used in 5GS, EPS and GPRS only.

Type 1 standard information elements of format V provide the value in bit positions 8, 7, 6, 5 of an octet (see figure 11.1) or bits 4, 3, 2, 1 of an octet (see figure 11.2).

[[File:Type1 IE of format V.png|center|Figure 11.1 and 11.2 of Type 1 IE of format V]]

See spec for details...