> For the complete documentation index, see [llms.txt](https://masters-india-1.gitbook.io/offline-utility-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://masters-india-1.gitbook.io/offline-utility-documentation/prerequisites.md).

# Prerequisites

To generate an invoice using our utility, you will need to do the following

* Register your vat number and devices in our [platform](https://qa-global.mastersindia-einv.com/)
* Onboard the device to ZATCA by completing the mandatory onboarding process, which includes CSR generation, Compliance CSID check, and Production CSID generation. 

Once the prerequisites are complete, you can use our utility to generate invoices

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