The FCC has a poor record of actually collecting money from Notices of
Apparent Liability (i.e. fines).  There are flaws in the FCC notification
rules, but it does have some rules requiring indpendent verification of
carrier changes.



FCC Fines Tele Circuit $4,145,000 for Cramming & Slamming Violations

https://www.fcc.gov/document/fcc-fines-tele-circuit-4145000-cramming-slamming-violations-0

FCC fines Tele Circuit Network Corporation $4,145,000 for switching
consumers from their preferred carrier to Tele Circuit without permission
and adding unauthorized charges to consumers' bill

In this Order, the Federal Communications Commission (FCC or Commission)
adopts the findings in the Notice of Apparent Liability (Tele Circuit
Notice or Notice) that Tele Circuit Network Corporation (Tele Circuit or
Company) engaged in slamming and cramming, made misrepresentations to
consumers, and violated a Commission order by failing to produce certain
information and documents relating to the Company’s business practices.
The Company’s misconduct  harmed elderly and infirm consumers, in some
cases leaving them without telephone service for extended periods of
time—with Tele Circuit refusing to reinstate service until the crammed
charges were paid in full. These practices violated sections 201(b) and
258 of the Communications Act of 1934, as amended (the Act), and section
64.1120 of the Commission’s rules. After reviewing Tele Circuit’s response
to the Notice, we decline to find that the Company violated section
1.17(a)(2) of the Commission’s rules and reduce the proposed penalty by
$1,178,322, and therefore impose a forfeiture of $4,145,000.



[...]
In particular, Tele Circuit did not provide proof that the complainants
listed in the LOI authorized Tele Circuit to switch their long distance
carrier. In response to the LOI, Tele Circuit did produce some
third-party verification recordings,31 which are supposed to provide
evidence that customers assented to changing their long distance service
from their existing carriers to Tele Circuit. However, some
complainants who listened to the recordings alleged that the third-party
verifications were falsified. In all, the Bureau reviewed more than 100
written consumer complaints, contacted numerous complainants, obtained
substantial documentary evidence (including copies of consumer telephone
bills), listened to third-partyverification recordings, and received data
from consumers’ carriers.

[...]
  Tele Circuit switched the telephone service of 24 consumers without
verified authorization to do so, in violation of section 258 of the Act
and section 64.1120 of the Commission’s rules.

[...]