Frequently Asked Questions - Andica CT600 Corporation Software

This FAQ section contains information specific to the product. For messages provided by Microsoft Installer during installation of Andica software and other technical messages that may appear while using the software refer to Technical Advice FAQs.

Customers extending annual licence - Licence expiry and renewal for existing version

Andica CT600 customer whose software annual licence has expired or is about to expire can extend the licence for a further year for that version of the software...

Customers Upgrading - Version upgrade

Customers Upgrading CT600 software from one version to the next...

CT600 Financial Year Box 330 and Box 380

Box 330 and Box 380 of CT600 Tax calculation section represent a 'Year' within Tax Financial Year (01 April to 31 March)...

HMRC Digital Transaction Engine causing errors during submission - CT600 Updates

Customers using an earlier edition of CT600 version 2017 and version 2016 software will need to update the software to avoid submission being rejected by HMRC due a move to Digital Transaction Engine. HMRC server are displaying incorrect messages of Gateway Authentication Failure, Correlation ID is missing, Cannot import a null node...

HMRC CT600 Data validation Error 3317 in Computations UK Taxonomies (UK GAAP or UK IFRS)

HMRC servers reject CT600 submission with data validation Error 3317 when submitting iXBRL Computations attachment for accounting period on or after 1st April 2017. One of the recognised UK Taxonomies (UK GAAP or UK IFRS) appears to have an error in the Taxonomy reference...

HMRC Data validation Error 3318 in Accounts Taxonomy - Accounts Rejected

Error 3318: The period to which this Return's Accounts applies does not coincide with the effective from/to dates of the referenced Accounts Taxonomy. Please correct and re-submit...

HMRC Error code 1047 HMRC Security Changes MD5 Hashing TLS 1.0 Credential Length - CT600 Updates

Customers using an earlier edition of CT600 version 2018 software or older will need to update the software to avoid submission being rejected by HMRC due to changes to User ID and password policy, MD5 Hashing, TLS 1.0 and Credential Length within Digital Transaction Engine...

HMRC Error 3320 or Error 3321 - submission of CT600 with Computations or Accounts

When filing CT600 returns online, HMRC server is responding with error number 3320 or error number 3321 as they have made changes to their server validations...

HMRC Error 9172 - Box 265 must be less than or equal to Box 830

While submitting the CT600 return, if you are claiming brought forward non-trading losses on intangible fixed assets in Box 830 as well as losses arising in the current period in Box 265 and if the value in Box 265 exceeds the value in Box 830, then HMRC is rejecting the submission with error number 9172....

HMRC Error 9288 - The sum of Boxes 690 and 735 must not exceed the apportioned AIA limit

While submitting the CT600 return, if you are claiming Annual Investment Allowance more than the limit specified by HMRC, HMRC is rejecting the submission with error number 9288 as they have not updated their servers with the increased limit...

HMRC Error 9466 - Tax rate on loans to participators

While submitting the CT600 return with the supplementary form CT600A, HMRC is rejecting he submission with error number 9466 as they have not updated their servers with the increased rate of loans to participators...

HMRC Error 9768 - RDEC carried forward section

While submitting the CT600 return with the supplementary form CT600L, HMRC is rejecting the submission with error number 9768 if you have a step 2 restriction brought forward from previous accounting periods in box L5 but do not have either a RDEC claim in box L15 or step 3 amounts from a previous accounting period in box L20....

HMRC CT600 PDF Attachments of Accounts and Computations

HMRC require accounts and computations be sent in iXBRL format when submitting CT600 returns online...

Long Period Of Accounting LPOA

Companies with Extended or Long Period Of Accounting LPOA...

Root element is missing Data file corruption

The message Root element is missing can most likely occur when an XML data file for the software has been corrupted on your system...

Submitting Amended Tax Returns - CT600 Corporation Tax Returns Software

Andica CT600 Corporation Tax Return software includes feature to submit amendment to the tax returns already submitted to HMRC subject to HMRC's limitations and deadlines. You have to submit a full set of returns including the amendments you want to make...

Submission Errors returned by HMRC during online filing

When filing CT returns online HMRC system may respond with submission error messages if they identify any issues with the data - CT600 forms, accounts or computations - you are submitting...

Trading Profit Box 155 and Trading Losses Box 780

HMRC CT600 form requires Trading Profit for the year to be reported in Box 155 and Trading Losses for the year be reported in Box 780...