How to disable “Notes” tab.
Overview
The customer notes tab is shown by default, but can be disabled by editing a configuration file ...\Atomia\AdminPanel\bin\Atomia.Web.Plugin.BillingAdminPanel.General.dll.config.

Image 1: Notes tab open on customer panel
Disabling the “Notes” tab
If you wish to disable the “Notes” tab set HideNotesTab flag to true, like so:
<pluginSetting name="HideNotesTab" value="true" />
The following code block is an example where notes tab is hidden:
<pluginSettingsList>
<pluginSettingsPlugin pluginName="General">
<pluginSetting name="TemplateNameInvoiceFilename" value="InvoiceTemplateFilename" />
<pluginSetting name="InvoiceReferneNumberFormats" value="Plain,SwedishOCR,KID,Multibanco,FinnishOcr" />
<pluginSetting name="SupportedCampaignConditionHandlers" value="NewCustomerConditionHandler,ExistingCustomerConditionHandler,RequiredProductsConditionHandler,RequiredPaymentMethodConditionHandler,AllowOncePerCustomerConditionHandler" />
<pluginSetting name="ScriptLibraryGithubAPIBase" value="https://api.github.com/repos/atomia/atomia-script-library" />
<pluginSetting name="CreditInvoiceOnEdit" value="false" />
<pluginSetting name="MsAzure" value="MsAzure" />
<pluginSetting name="PrepaidCreditItem" value="CRD-PREPAID" />
<pluginSetting name="HideNotesTab" value="true" />
</pluginSettingsPlugin>
</pluginSettingsList>