https://www.juniper.net/documentation/us/en/software/sd-on-prem25.4.1/sd-on-prem-user-guide/Other/about-the-subscriptions-page.html
Subscriptions Overview | SD On-Prem 25.4.1 | Juniper Networks
The SRX Management subscription manages the devices within Juniper Security Director. After you purchase a device subscription and add it in Juniper Security...
subscriptions overview25 4sdprem1
https://www.gov.uk/expenses-benefits-subscriptions-professional-fees/overview
Expenses and benefits: subscriptions and professional fees: Overview - GOV.UK
Tax and reporting rules for employers covering the costs of subscriptions and professional fees
professional feesexpensesbenefitssubscriptionsoverview