Construction
Industry
Scheme
(CIS)
Online -
Electronic
Data
Interchange
(EDI)
Frequently
Asked
Questions:
Security
Q. How secure is EDI?
A. All communication between the contractor and HM Revenue & Customs is delivered through trusted (authorised certified bodies) 3rd party network providers, i.e. Value Added Networks, or uses other direct communication methods, e.g. X.400, Integrated Services Digital Network.
Documentation regarding security of data is available from the individual communication software suppliers.
The names and addresses for these companies are in the EB4 (CIS) EDI Software Developers List
Q. How can we keep track of what has been sent and when?
A. EDS,
on
behalf
of
HM Revenue & Customs,
has
a
tracking
system,
which
monitors
all
files
sent
and
received.
This
also
includes
acknowledgement
receipts
between
HM Revenue & Customs
and
the
employer.
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