This case-sensitive code system https://standards.digital.health.nz/ns/central-region/mental-health-legal-status defines the following codes:

Code	Display
R01	Informal patient
R02	A&D Act - S21
R03	A&D Act - S8
R04	A&D Act - S9
R05	CPMIP S23
R06	CPMIP S24(2)a Insane
R07	CPMIP S24(2)a UTST
R08	CPMIP S24(2)b Insane
R09	CPMIP S24(2)b UTST
R10	CPMIP S25(1)b
R11	CPMIP S34(1)(a)(i)
R12	CPMIP S34(1)a(ii)
R13	CPMIP S34(1)b(ii)
R14	CPMIP S35
R15	CPMIP S38(2)(a)
R16	CPMIP S38(2)c
R17	CPMIP S44(1)
R18	CYPF Act - S181
R19	CYPF Act - S178
R20	Health Act - S126
R21	ID(CC&R) Act - S35
R22	ID(CC&R) Act - S45
R23	MHA S11
R24	MHA S13
R25	MHA S15(1)
R26	MHA S15(2)
R27	MHA S29 CTO
R28	MHA S29 Extn
R29	MHA S29 Indef CTO
R30	MHA S29(3)a
R31	MHA S30 CTO
R32	MHA S30 Extn
R33	MHA S30 Indef CTO
R34	MHA S31 IP on leave
R35	MHA S45 & S11Special
R36	MHA S45 & S13Special
R37	MHA S45 & S30Special
R38	MHA S45 &S15(1)
R39	MHA S45 &S15(2)
R40	MHA S46 Special
R41	MHA S55 Restricted
R42	Parole Act - S35
R43	MHA S08(s) to S10
R44	MHA S111
R45	MHA S16 (H/held)
R46	MHA S314(4)Leave can
R47	MHA S59 Consent 2 Tx
R48	MHA S76(3) Review
R49	MHA Tribunal h/held
R50	Released from Act
R51	MHA S34 Extension
R52	MHA S8A (Appl for Ax)
R53	MHA S8B (Med cert)
R54	MHA S9 (Notice to client)
R55	MHA S10 Cert of Ax
R56	MHA Transfer in
R57	MHA Transfer out
R58	Lapsed to Informal
R59	MHA S29 Volun admiss
R60	Released fm Assess
R61	MHA S29(3)b
R62	MHA S113A (warrant)
R63	MHA S59 2nd opinion
R64	MHA S60 2nd opinion
R65	MHA S60 Consent 2 Tx
R66	Unfit to drive
R67	SA(CAT) Act - S14
R68	SA(CAT) Act- S23
R69	SA(CAT) Act - S32
R70	SA(CAT) Act - S46
R71	SA(CAT) Act- S47
R73	MHA S15(2) Ext