# Frequently asked questions (FAQs) ## **Whenever I try to generate an e-invoice via ClearTax platform, I encounter "Unauthorized" error. How can I resolve this and generate LHDN compliant e-invoices?** \ \ "**Unauthorized**" error occurs when ClearTax doesn't have the necessary permissions to submit e-invoices for generation on your company's behalf. There can be 4 scenarios in this case: * **You haven't added ClearTax as an intermediary on your MyInvois portal** * Please follow the instructions mentioned in the guide [Add ClearTax as an intermediary on MyInvois portal](https://docs.cleartax.in/product-help-and-support/for-large-businesses/cleartax-e-invoicing-malaysia/onboarding/add-cleartax-as-an-intermediary-on-myinvois-portal) for detailed steps. * **You have added ClearTax as an intermediary on your MyInvois portal but haven't given the permissions to perform actions on your behalf** * Visit MyInvois portal and edit the intermediary profile to give ClearTax access for interacting with LHDN on your behalf. * **The TIN registered on the MyInvois portal is different from the TIN you are using via ClearTax platform** * The TIN mentioned on the ClearTax platform and is being used for submitting e-invoices is different from the TIN registered on your MyInvois profile. * Please validate if both the TINs are same. * **The TIN entered on ClearTax platform is incorrect** * LHDN expects taxpayers to remove any initial zeros that come after the TIN prefix for successful validation. * For example, where the TIN of a taxpayer is ‘C01234567890’, the zero after the prefix ‘C’ needs to be excluded, resulting in ‘C1234567890’. * Please make sure you have removed any initial zeros from your TIN when registering on the ClearTax platform. ## I am receiving the error "Issuance date time value of the document is too old and cannot be submitted" from LHDN. What actions can I take? LHDN expects the e-invoice to be generated within 72 hours of document issuance. * It might happen that you are trying to generate an e-invoice for a document whose date & time falls beyond the 72 hours window. For such cases, adjust the date to ensure it is within 72 hours before submission. * If you believe that the document submission date & time falls within the 72 hours window from the document issuance date & time, please check your timezone settings. * By default the data that you send to ClearTax platform is processed in UTC given LHDN expects date & time to be in UTC. * If you are sending the data in MYT from your end, please also change the setting on ClearTax portal to process this data in MYT. * Follow the steps mentioned in the "[Set your timezone to MYT](https://docs.cleartax.in/product-help-and-support/for-large-businesses/cleartax-e-invoicing-malaysia/onboarding/set-your-timezone-to-myt)" guide for detailed instructions on the same. ## I am receiving the error "Maximum allowed document size 300Kb exceeded" from LHDN for my submission. How do I interpret this error? As per LHDN guidelines, e-Invoice file size rules are as follows: 1. 5 MB maximum submission size; 2. 100 maximum e-Invoices per submission; and 3. 300 KB maximum per e-Invoice. If you are receiving the above error, you might have already hit the "300KB" file size limit imposed by LHDN. * ClearTax has implemented minification of the submitted XML os JSON file to ensure your invoice meets the above mentioned limits. * However, in our experience we have seen this happening for documents that has line items more than 150. * We recommend reducing the number of line items to 150 to ensure you stay under the "300KB' file size limit and are able to successfully submit your e-invoice to LHDN. ## How many decimal points does ClearTax support for various e-invoicing payload fields? * ClearTax supports upto 15 decimal places for the fields mentioned below: * TaxExchangeRate.CalculationRate * InvoiceLine.Price.Value * InvoiceLine.InvoicedQuantity.Quantity * InvoiceLine.TaxTotal.TaxSubtotal.Percent * TaxTotal.TaxSubtotal.TaxCategory.TaxRate * For all other amount related fields, ClearTax rounds off upto 2 decimal places. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.cleartax.in/product-help-and-support/for-large-businesses/cleartax-e-invoicing-malaysia/resources/frequently-asked-questions-faqs.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.