I understand your situation in trying to log in to your QuickBooks Desktop when you need a registration code, Boyer. To receive the validation code, please log in to your Intuit account in CAMPS, and I can assist you through the process.

If you have registered your QuickBooks software with Intuit, we can retrieve your validation code by logging into your Intuit account. 

Here's how:

1. Log in to CAMPs using your product's credentials.
2. Find the 2013 version of QuickBooks and click on it under Products and Services.
3. Select Details and complete the necessary steps in retrieving your validation code.

Also, let's reach out again to our Customer Care Team and provide them with your details. This way, they can provide you with the validation code based on the details being recorded on their end.

Here's how:

1. From your QuickBooks Desktop account, click the Help menu at the top.
2. Click the QuickBooks Desktop Help menu and select Contact Us.
3. Provide information about this concern in the search box, then select Continue.
4. Sign in to your Intuit account and tap Continue. Afterward, select Continue with my account.
5. Please enter the code that will be sent to you via email and select Continue.
6. From there, could you select how you want to connect with us? It’s either to chat with us or Have us call you.

On the other hand, you can refer to this article for their support hours and schedules to contact them at your convenience. This article also includes their contact number at the bottom of the page: Contact QuickBooks Desktop support.

In addition, if you encounter error messages while subscribing or syncing data in QuickBooks Desktop, there is an article available that outlines the necessary steps to resolve the issue: Fix activation, license, and product numbers issues.

Kindly notify me in the comments if you need further assistance in accessing your files and managing your QBDT account. I'll respond promptly with the necessary information and resources.