3GPP 24.501 v20.0.0 — the document's own text
6.2.9.1 General
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
A 5GSM entity interacts with upper layers. Clause 6.2.9.2 describes how the 5GSM entity interacts with upper layers with respect to the URSP. Clause 6.2.9.3 describes how the 5GSM entity interacts with upper layers with respect to the ProSeP.