first contact could be made to treasurer (email@example.com) or another person within the PSC
the treasurer will clarify all details (such as contact information and address, permission to use organizations logo on our sustaining membership page) and will issue an invoice
treasuer checks whether the payment has arrived
management of sustaining members is done at our Projecta website
sustaining members are sorted by level (flagship, large, medium, small) and the date they were introduced or renewed (newer ones first)
past sustaining members are listed separately, only for a period of two years.
logos of flagship, large and medium sustaining members are included in the footer banner on our start page
sustaining members are listed in our visual changelog
when appropriate, we will do some social media promotion.