DMM Help : How does the Department of Public Service identify a case or matter?
Case Number/Matter Number Format



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A Case is a set of related issues to be decided by the Commission at a public meeting.

Example case number: 99-X-1234

Case numbers have these parts:
They begin with the last two digits of the year they were opened. (e.g. 99)
A dash (-)
A letter indicating the service type for the case
  • C - Communication
  • E - Electric
  • F - Facility
  • G - Gas
  • M - Miscellaneous
  • S - Steam
  • T - Transmission
  • V - Cable
  • W - Water

A dash (-)
A four digit sequence number that will be reset to 0001 for the first case of the year.


A Matter is a set of related issues to be examined or decided by the Department, without the need for a public meeting.

Example matter number: 99-12345

Matter numbers have these parts:
They begin with the last two digits of the year they were opened. (e.g. 99)
A dash (-)
A five digit sequence number that will be reset to 00001 for the first case of the year.

If you need more specific instructions, please call our Document Management Help Desk at 518-474-3204