When i want to submit the tax return This reeor "Filing date should be a valid date and lie between end date and today's date (code: "INDIRECTTAX-19702") occur?

Hi there, @MHT-Support. The error "Filing date should be a valid date and lie between end date and today's date (code: "INDIRECTTAX-19702") may have been triggered by your filing details. 

Be sure to check your filing schedule in QuickBooks and verify if it's the same as your schedule in your gateway account. I've also included a helpful article on fixing VAT errors: Fixing MTD (Making Tax Digital) issues in QuickBooks Online. 

If the details are correct, let's try to clear your browser's data to eliminate outdated and corrupted files that could be causing the issue. If the issue persists, delete Intuit-specific cookies from your search engine to refresh website preferences, which is also a root cause of why you encountered filing tax.

Here's how:

1. At the top right, select the More ⋮ icon.
2. Click the Settings option.
3. Choose Privacy and security. Then, Third-party cookies.
4. Once done, pick See all site data and cookies.
5. Enter “Intuit or QuickBooks” in the search field.
6. Go to Delete displayed data or the trash can icon.
7. Refresh Google Chrome for the changes to take effect.

For the other browser's processes, you can check this article: Clear cache and cookies to fix issues.

Visit us again if you need help or have other questions. It will be my pleasure to help. Stay safe and have a nice day.