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    • Known Error Codes
      • CMN.ATO.GEN.430018
      • Australian Business Register (ABR) Outage
      • CMN.ATO.AS.000161
      • CMN.ATO.CTR.428136
      • CMN.ATO.AUTH.007 / CMN.ATO.AUTH.008 - Not Authorized to Lodge
      • CMN.ATO.TPAR.000002
      • CMN.ATO.CGTS.402136
      • CMN.ATO.CGTS.402165
      • CMN.ATO.CGTS.402171
      • CMN.ATO.CGTS.402243
      • CMN.ATO.CTR.428049
      • CMN.ATO.CTR.430021
      • CMN.ATO.AS.EM024 / CMN.ATO.AS.EM139
      • CMN.ATO.AS.EM060
      • CMN.ATO.GEN.001001
      • CMN.ATO.GEN.001002
      • CMN.ATO.GEN.001011
      • CMN.ATO.GEN.200000 (old form)
      • CMN.ATO.GEN.300005
      • CMN.ATO.GEN.300006
      • CMN.ATO.GEN.400011
      • CMN.ATO.GEN.410214
      • CMN.ATO.GEN.428042
      • CMN.ATO.GEN.430050
      • Old Form: CMN.ATO.GEN.430081 / Rental
      • CMN.ATO.GEN.430136
      • CMN.ATO.GEN.430142
      • CMN.ATO.GEN.430245
      • CMN.ATO.GEN.430250
      • CMN.ATO.GEN.432016
      • CMN.ATO.GEN.432686
      • CMN.ATO.GEN.434147
      • CMN.ATO.GEN.438002
      • CMN.ATO.GEN.438063
      • CMN.ATO.GEN.438065
      • CMN.ATO.GEN.438067
      • CMN.ATO.GEN.500055
      • CMN.ATO.GEN.EM0005
      • CMN.ATO.IITR.000266
      • CMN.ATO.IITR.210003
      • CMN.ATO.IITR.30001
      • CMN.ATO.IITR.310000
      • CMN.ATO.IITR.310054
      • CMN.ATO.IITR.310104
      • CMN.ATO.IITR.310105
      • CMN.ATO.IITR.410009
      • CMN.ATO.IITR.EM0028
      • CMN.ATO.PSS.000025
      • CMN.ATO.PSS.000031
      • CMN.ATO.RDTIS.438003
      • CMN.ATO.RDTIS.438043
      • CMN.ATO.RS.000150
      • CMN.ATO.SMSFAR.436021 - Audit date incorrect
      • CMN.ATO.SMSFAR.436066
      • CMN.ATO.SMSFAR.436202
      • CMN.ATO.SMSFAR.436352
      • CMN.ATO.SMSFAR.436632
      • CMN.ATO.SMSFAR.437133
      • CMN.ATO.TFND.000113
      • CMN.ATO.TPAR.000013
      • CMN.ATO.TPAR.000016
      • CMN.ATO.TRT.432179
      • CMN.ATO.TRT.432687
      • CMN.ATO.WRE.000061
      • CMN.ATO.WRE.000070
      • Description of activity length must not exceed 36 characters
      • Description of activity length must not exceed 36 characters
      • Error : Accounting System connection is Invalid
      • Other Country (Post Code)
      • SBR.GEN.AUTH.003
      • SBR.GEN.AUTH.006
      • SBR.GEN.AUTH.008
      • CMN.ATO.CTR.428099
      • CMN.ATO.CTR.428352
      • CMN.ATO.CTR.428019 Previous name without either ARBN or ACN
      • CMN.ATO.IITR.EM0054 - Invalid BSB Number
      • Dividends and Interest - Address error code
      • CMN.ATO.IITR.730270
      • CMN.ATO.IITR.730378 / CMN.ATO.730434
      • CMN.ATO.IITR.000254
      • CMN.ATO.IITR.304102 - Estimated eligible income is incorrect
      • CMN.ATO.IITR.730377
      • CMN.ATO.IITR.730417
      • CMN.ATO.GEN.200001
      • CMN.ATO.GEN.010028 "Amendment"
      • CMN.ATO.TRT.432112
      • CMN.ATO.DDCTNS.000155
      • CMN.ATO.IITR.000237
      • CMN.ATO.IITR.600097
      • CMN.ATO.IITR.000200
      • CMN.ATO.IITR.EM0003- "Relationship" to date must be the "From" date
      • CMN.ATO.IITR.730359 - Foreign income tax offset amount is incorrect
      • Error: In order to send E-signature request for this documents the client must have at least one relationship with Trustee."
      • CMN.ATO.CGTS.402157
      • Error: E- Total adjustable values at end income year cannot be negative
      • Error: The GrossPayment field is required
      • CMN.ATO.IITR.310018
      • ATO Error CMN.IITR.310026: Deferred Non-Commercial Losses Required
      • Error: CMN.ATO.CTR.430018
      • CMN.ATO.IDS.440558
      • CMN.ATO.IITR.00023 (action code required)
      • CMN.ATO.GEN.500134
      • CMN.ATO.GEN.430001
      • CMN.ATO.AS.EM063
      • CMN.ATO.IITR.730376
      • CMN.ATO.FTER.408053
      • Error: Invalid Characters
      • CMN.ATO.SMSFAR.437185
      • CMN.ATO.IITR.730263 (Working Holiday Maker with Business)
      • CMN.ATO.IITR.730488
      • CMN.ATO.IITR.200026
      • CMN.ATO.TRT.432181
      • CMN.ATO.SMSFAR.437169
      • CMN.ATO.TRT.432632
      • CMN.ATO.DDCTNS.000209
      • CMN.ATO.IITR.730435
      • CMN.ATO.AS.EM065
      • CMN.ATO.IITR.100031
      • CMN.ATO.AS.EM061
      • CMN.ATO.IITR.300040
      • CMN.ATO.IITR.310006 / The sum of deferred losses must equal total deferred losses
      • CMN.ATO.IITR.EM0042
      • CMN.ATO.INCDTLS.000255
      • CMN.ATO.IITR.100029
      • CMN.ATO.CTR.500231 / CMN.ATO.CTR.500161 / CMN.ATO.CTR.50022
      • Trust this device
      • Oops! Something went wrong under the hood
      • CMN.ATO.IITR.730456
      • CMN.ATO.INCDTLS.000116
      • CMN.ATO.AUTH.011
      • CMN.ATO.LDGPROG.EM60230
      • CMN.ATO.GEN.434088
      • Superannuation Lump Sum Payments in Individual Tax Return (ITR)
      • CMN.ATO.IITR.EM0043
      • CMN.ATO.CTR.500224 - Income Tax liability must be greater than O
      • CMN.ATO.IITR.730302
      • CMN.ATO.TRT.432723
      • CMN.ATO.IITR.730150 (Working holiday Maker / WHM)
      • CMN.ATO.TRT.432796
      • CMN.ATO.IITR.730221
      • CMN.ATO.GEN.500126
      • CMN.ATO.IITR.310003
      • CMN.ATO.CTR.428313
      • Dangerous Request
      • Error Code 50137
      • CMN.ATO.GEN.EM0019
      • LGT.GEN.ERR.0000009
      • Error: Lodgement is missing on ATO
      • Error: "We could not process your request due to malformed syntax"
      • CMN.ATO.IITR.730411
      • "Amendment received before original return lodged"
      • B-Closing Stock cannot be negative / D Closing Stock
      • CMN.ATO.CTR.500312
      • CMN.ATO.IITR.300012
      • CMN.ATO.PSS.000024
      • CMN.ATO.IITR.EM0013
      • CMN.ATO.IITR.730485
      • Error: "Net income or loss from Business, it needs to be equal.." (primary and non-primary)
      • Error: The client you transmitted is not associated with the agent number
      • Pre-lodge failed / Lodgment Failed
      • Error: Uh oh, there's a connection problem
      • CMN.ATO.GEN.DUPLICATE.ENTRY
      • CMN.ATO.IITR.EM0070
      • CMN.ATO.RNTLPRPTY.000107 / CMN.ATO.RNTLPRPTY.000111
      • How to Add or Change "Preferred Trustee or Director Contact Details" for SMSFAR
      • Error: CMN.ATO.GEN.0002
      • CMN.ATO.SMSFAR.436349
      • CMN.ATO.AS.EM005
      • CMN.ATO.GEN.200001
      • CMN.ATO.IITR.601024
      • CMN.ATO.GEN.EM0001
      • CMN.ATO.PTR.430144 / CMN.ATO.PTR.430706
      • Error: International dealing CMN.ATO.CTR.428384 / CMN.ATO.CTR.428385
      • CMN.ATO.IITRPRFL.000018
      • CMN.ATO.CGTS.402184
      • CMN.ATO.CTR.500157
      • CMN.ATO.IITR.001089
      • CMN.ATO.AS.EM141
      • CMN.ATO.INCDTLS.000120
      • CMN.ATO.CUDTL.EM61047
      • CMN.ATO.IITR.000247
      • CMN.ATO.CTR.428376 (old form)
      • CMN.ATO.CTR.428136 (old form)
      • CMN.ATO.RDTIS.438214 - Part D - Aggregated Turnover
      • CMN.ATO.IITR.300039 - Business Loss Activity
      • CMN.ATO.IITR.311054
      • CMN.ATO.GEN.500143
      • CMN.ATO.TRT.432288
      • CMN.ATO.PAYG.000166 / CMN.ATO.PAYG.000167 (Payment Summary Form)
      • CMA.ATO.CTR.W00022
      • CMN.ATO.GEN.410009
      • CMN.ATO.LS.414208 - Ownership and business continuity test
      • CMN.ATO.CTR.430016
      • CMN.ATO.TRT.432235
      • CMN.ATO.TRT.432622 / CMN.ATO.TRT.432863
      • CMN.ATO.GEN.430132
      • CMN.ATO.IITR.EM0002
      • CMN.ATO.IITR.100046
      • CMN.ATO.GEN.XML03
      • CMN.ATO.INCDTLS.000320 / CMN.ATO.INCDTLS.000327
      • CMN.ATO.TRT.433084 - Share of net small business income
      • Error: Net Capital Gain Cannot be Negative
      • CMN.ATO.TRT.433085
      • CMN.ATO.DDCTNS.000100
      • CMN.ATO.IITR.730183
      • CMN.ATO.INCDTLS.000160
      • CMN.ATO.TRT.432585
      • CMN.ATO.GEN.430106
      • CMN.ATO.CTR.428354
      • CMN.ATO.GEN.430015
      • CMN.ATO.IITR.EM0073
      • CMN.ATO.IITR.EM0044
      • CMN.ATO.RNTLPRPTY.000111
      • CMN.ATO.IITR.730296
      • CMN.INCDTLS.000248 / CMN.INCDTLS.000250
      • CMN.ATO.TRT.442318
      • CMN.ATO.INCDTLS.000386
      • CMN.ATO.IITR.EM0057
      • CMN.ATO.IITR.731456
      • CMN.ATO.TRT.433087 / Assessment calculation code
      • CMN.ATO.IITR.211016
      • CMN.ATO.IITR.400027 / CMN.ATO.IITR.400026
      • CMN.ATO.INCDTLS.000390
      • CMN.ATO.IITR.100011 - Invalid text
      • CMN.ATO.IITR.410006
      • CMN.ATO.GEN.438010
      • CMN.ATO.SMSFAR.437130
      • CMN.ATO.INCDTLS.000024
      • CMN.ATO.RDTIS.438101
      • CMN.ATO.INCDTLS.000391
      • CMN.ATO.TRT.432618 and CMN.ATO.TRT.432307
      • CMN.ATO.IITR.210034 - Tax Claim code (s) against the same Private Health Insurance policy are incorrect
      • Address Line 1 is required
      • SBR.GEN.FAULT.FAULTFROMAGENCY / SBR.GEN.FAULT.UNKNOWNSERVICE
      • CMN.ATO.INCDTLS.000384
      • CMN.ATO.IITR.730407
      • CMN.ATO.IITR.300110
      • CMN.ATO.INCDTLS.000008
      • CMN.ATO.PTR.W00050
      • Label V1 LRBA / CMN.ATO.SMSFAR.436153 / CMN.ATO.SMSFAR.437192
      • CMN.ATO.AUTH.001
      • Error: In order to send E-signature request for this documents the client must have at least one Director."
      • CMN.ATO.IITR.300003
      • Label 6: CMN.ATO.IITR.EM0074/Adjustment Reason Code
      • CMN.ATO.IITRPRFL.000001
      • CMN.ATO.IITR.600098
      • CMN.ATO.IITRPRFL.000001 and CMN.ATO.IITRPRFL.000029
      • LGT.GEN.ERR.0000014
      • OAuth code is missing
      • CMN.ATO.TRT.432029
      • CMN.ATO.TRT.432663
      • CMN.ATO.AS.EM03026
      • CMN.ATO.CTR.428022 and CMN.ATO.CTR.428366
      • CMN.ATO.GEN.402010
      • CMN.ATO.CGTS.402195
      • CMN.ATO.GEN.500162
      • CMN.ATO.TRT.432314
      • CMN.ATO.TRT.433098
      • CMN.ATO.IITR.311048
      • CMN.ATO.CGTS.402203
      • CMN.ATO.INCDTLS.000381
      • LGT.GEN.ERR.0000005
      • CMN.ATO.AS.EM92025 / CMN.ATO.AS.EM92026
      • CMN.ATO.AS.EM98062
      • CMN.ATO.IITR.730094
      • CMN.ATO.IITR.000605
      • CMN.ATO.INCDTLS.000383
      • CMN.ATO.IITR.310034
      • S - Purchases and other costs cannot be negative. - (CTR)
      • CMN.ATO.CTR.428371
      • The "TFN" is invalid.
      • The Trust Assessment Code field is required.
      • The Description of main business activity field is required.
      • Is any tax payable by the trustee? Field is required.
      • CMN.ATO.SMSFAR.430064
      • SBR.GEN.FAULT.GENERALERRORINCORE
      • CMN.ATO.AS.EM03003
      • CMN.ATO.AS.EM98061
      • CMN.ATO.TRT.432593
      • CMN.ATO.INCDTLS.000429 and CMN.ATO.IITR.310000
      • "All details are required" : IDS (International Dealings Schedule) - CTR
      • CMN.ATO.CTR.428149
      • CMN.ATO.CTR.428165
      • CMN.ATO.TRT.442911
      • CMN.ATO.TRT.442910 Assessment Calculation Code is Incorrect
    • Old Forms
      • Validation Errors on Old Forms
      • Old Form : Trust Tax Return Form 2015
      • Old Form: With ABN and without business income/ANZSIC
      • Attaching a Losses Schedule for an Old Form
      • TRT Old Form: Net Primary Production Income or Loss
      • "Payment Summary schedule must be present if Gross payments where ABN not quoted is present"
      • Old Form - CMN.ATO.TRT.432210
      • Old Form: SBR.GEN.FAULT.FAULTFROMAGENCY
  • LodgeiT Labs
Solution home Resources Known Error Codes

CMN.ATO.TRT.442910 Assessment Calculation Code is Incorrect

Modified on: Tue, 28 Jul, 2026 at 8:44 AM

Error:

Solution: Make sure to set the correct code for beneficiaries, ie issue on "Date of Birth" -  for individuals over 18 years old, should change it for one of the valid codes.

Reference: 

 https://www.ato.gov.au/forms-and-instructions/trust-tax-return-2026-instructions/appendixes-for-the-trust-tax-return/appendixes-11-to-15/appendix-12-trust-assessment-codes

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