Entries generally remain active for 12 months, after which a renewal is required.
On modern TLFs (e.g., TLF 3000, TLF 4000), the VDMT List includes: vdmt liste
The most likely interpretation, based on common abbreviations in formal methods and computer science, is that you are referring to (the Vienna Development Method ) and a related list structure or operation. Entries generally remain active for 12 months, after
