The tables below define the valid Tax Treatment codes (validation rules) for each category of tax scale:
1 Regular
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| R – Regular |
T – With tax-free threshold D – Daily casuals N – With no tax-free threshold |
S – Has STSL X – No STSL |
# – Tier (1, 2 or 3 to be supplied) X – No surcharge |
H – Half F – Full X – No exemption |
0 – Spouse only # – Dependants (number between 1 and 9, A if 10 or more) A – 10 or more dependants X – No reduction |
|
| R | T | S | X | X | X | RTSXXX |
| R | T | S | # | X | X | RTS#XX |
| R | T | S | X | H | X | RTSXHX |
| R | T | S | X | H | 0 | RTSXH0 |
| R | T | S | X | H | # | RTSXH# |
| R | T | S | X | H | A | RTSXHA |
| R | T | S | X | F | X | RTSXFX |
| R | T | S | X | X | 0 | RTSXX0 |
| R | T | S | X | X | # | RTSXX# |
| R | T | S | X | X | A | RTSXXA |
| R | T | X | X | X | X | RTXXXX |
| R | T | X | # | X | X | RTX#XX |
| R | T | X | X | H | 0 | RTXXH0 |
| R | T | X | X | H | # | RTXXH# |
| R | T | X | X | H | A | RTXXHA |
| R | T | X | X | H | X | RTXXHX |
| R | T | X | X | F | X | RTXXFX |
| R | T | X | X | X | 0 | RTXXX0 |
| R | T | X | X | X | # | RTXXX# |
| R | T | X | X | X | A | RTXXXA |
| R | D | X | X | X | X | RDXXXX |
| R | N | S | X | X | X | RNSXXX |
| R | N | X | X | X | X | RNXXXX |
| R | N | S | # | X | X | RNS#XX |
| R | N | X | # | X | X | RNX#XX |
2 Actors
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| A – Actor |
T – With tax-free threshold D – 3 or less performances per week N – With no tax-free threshold P - Promotional |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| A | T | X | X | X | X | ATXXXX |
| A | N | X | X | X | X | ANXXXX |
| A | D | X | X | X | X | ADXXXX |
| A | P | X | X | X | X | APXXXX |
3 Horticulturists and Shearers
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| C – Horticulturists and Shearers |
T – With tax-free threshold F – Foreign resident |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| C | T | X | X | X | X | CTXXXX |
| C | F | X | X | X | X | CFXXXX |
4 Seniors and Pensioners
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| S – Seniors and Pensioners |
S – Single M – Couple I – Illness separated couple |
S – Has STSL X – No STSL |
# – Tier (1, 2 or 3 to be supplied) X – No surcharge |
H – Half F – Full X – No exemption |
0 – Spouse only # – Dependants (number between 1 and 9 to be supplied) A – 10 or more dependants X – No reduction |
|
| S | S | S | X | X | X | SSSXXX |
| S | S | S | # | X | X | SSS#XX |
| S | S | S | X | H | X | SSSXHX |
| S | S | S | X | H | # | SSSXH# |
| S | S | S | X | H | A | SSSXHA |
| S | S | S | X | F | X | SSSXFX |
| S | S | S | X | X | # | SSSXX# |
| S | S | S | X | X | A | SSSXXA |
| S | S | X | X | X | X | SSXXXX |
| S | S | X | # | X | X | SSX#XX |
| S | S | X | X | H | X | SSXXHX |
| S | S | X | X | H | # | SSXXH# |
| S | S | X | X | H | A | SSXXHA |
| S | S | X | X | F | X | SSXXFX |
| S | S | X | X | X | # | SSXXX# |
| S | S | X | X | X | A | SSXXXA |
| S | M | S | X | X | X | SMSXXX |
| S | M | S | # | X | X | SMS#XX |
| S | M | S | X | H | X | SMSXHX |
| S | M | S | X | H | 0 | SMSXH0 |
| S | M | S | X | H | # | SMSXH# |
| S | M | S | X | H | A | SMSXHA |
| S | M | S | X | F | X | SMSXFX |
| S | M | X | X | X | 0 | SMXXX0 |
| S | M | S | X | X | # | SMSXX# |
| S | M | S | X | X | A | SMSXXA |
| S | M | S | X | X | 0 | SMSXX0 |
| S | M | X | X | X | X | SMXXXX |
| S | M | X | # | X | X | SMX#XX |
| S | M | X | X | H | X | SMXXHX |
| S | M | X | X | H | 0 | SMXXH0 |
| S | M | X | X | H | # | SMXXH# |
| S | M | X | X | H | A | SMXXHA |
| S | M | X | X | F | X | SMXXFX |
| S | M | X | X | X | 0 | SMXXX0 |
| S | M | X | X | X | # | SMXXX# |
| S | M | X | X | X | A | SMXXXA |
| S | I | S | X | X | X | SISXXX |
| S | I | S | # | X | X | SIS#XX |
| S | I | S | X | H | X | SISXHX |
| S | I | S | X | H | 0 | SISXH0 |
| S | I | S | X | H | # | SISXH# |
| S | I | S | X | H | A | SISXHA |
| S | I | S | X | F | X | SISXFX |
| S | I | S | X | X | 0 | SISXX0 |
| S | I | S | X | X | # | SISXX# |
| S | I | S | X | X | A | SISXXA |
| S | I | X | X | X | X | SIXXXX |
| S | I | X | # | X | X | SIX#XX |
| S | I | X | X | H | X | SIXXHX |
| S | I | X | X | H | 0 | SIXXH0 |
| S | I | X | X | H | # | SIXXH# |
| S | I | X | X | H | A | SIXXHA |
| S | I | X | X | F | X | SIXXFX |
| S | I | X | X | X | 0 | SIXXX0 |
| S | I | X | X | X | # | SIXXX# |
| S | I | X | X | X | A | SIXXXA |
5 Working Holiday Maker
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| H – Working Holiday Maker |
R – Registered employer U – Unregistered employer F – Foreign resident no TFN |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| H | R | X | X | X | X | HRXXXX |
| H | U | X | X | X | X | HUXXXX |
| H | F | X | X | X | X | HFXXXX |
6 Seasonal Worker Programme
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| W – Seasonal Worker Programme | P - Seasonal Worker Programme | X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| W | P | X | X | X | X | WPXXXX |
7 Foreign Resident
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| F – Foreign Resident | F – Foreign Resident |
S – Has STSL X – No STSL |
X – No surcharge | X – No exemption | X – No reduction | |
| F | F | S | X | X | X | FFSXXX |
| F | F | X | X | X | X | FFXXXX |
8 No TFN
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| N – No TFN |
F – Foreign resident A – Australian resident |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| N | F | X | X | X | X | NFXXXX |
| N | A | X | X | X | X | NAXXXX |
9 ATO-Defined
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code | |
| D – ATO Defined |
B – Death Beneficiary V – Downward Variation Z - Non-Employee |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | ||
| D | B | X | X | X | X | DBXXXX | |
| D | V | X | X | X | X | DVXXXX | |
| D | Z | X | X | X | X | DZXXXX | |
10 Voluntary Agreement
| Category | Option | Study and Training Support Loan | Medicare Levy Surcharge | Medicare Levy Exemption | Medicare Levy Reduction | Treatment Code |
| V – Voluntary Agreement |
C – With Commissioner’s instalment rate (CIR) O – Without Commissioner’s instalment rate (CIR) |
X – No STSL | X – No surcharge | X – No exemption | X – No reduction | |
| V | C | X | X | X | X | VCXXXX |
| V | O | X | X | X | X | VOXXXX |