Single Window Systems
In the OIC Member States
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Commonly Single Window services are not for free and users are charged fees. There are
different types of fees – see Table 1 below – and registration fees, and a usage based charge,
which is either document a volume based, are commonly combined.
Table 1: Type of Fees and Charges
Type of fee Calculation basis Single Window Examples
Registration fee Annual Morocco: Annual subscription 300 US$
Hong Kong: Annual Fee 129 US$
One-time Malaysia registration (one time): ~ US$125 or US$65 for SME
Hong Kong registration (one time): 640 US$
Senegal registration fees (one time): 200 US$
Mailbox charges Malaysia: ~40 US$ or 20 US$ for SME
User charge Volume / transaction
based
Morocco: 1,000 US$ to 2,400 US
Senegal: per transaction: 10 US$ plus additional document: 2
US$ per document
Document based Malaysia: 0.25 US$/kilobyte; or 1.25 US$ per document
Singapore: per declaration basis 2.8 US$
Hong Kong: 0.64 US$ per document
Value based Percentage Ghana fixed fees at 0.4% of declared FOB value on import
Source: Authors’ own compilation from information on websites and different publications
1.2.3 IT Architecture
Electronic Single Windows are complex IT systems that are either implemented through a
centralised or distributed architecture. In a centralised architecture agencies and stakeholders
use Single Window services through the Single Window infrastructure and system. In a
distributed architecture, agencies and stakeholders access Single Window services through
their own IT systems and infrastructure, but ideally still use a common data layer.
The centralized architecture – see - represents the organizational setup where the
Single Window is hosting the basic agencies processes and users access the Single Window
services through a single portal, which is the presentation layer of the IT architecture.
In a distributed IT Architecture – se - the Single Window is a platform for exchange
of data and information and connects to other external system. The agencies host their own IT
applications and data in their internal IT systems and connect through the Single Window
taxonomy, which is the exchange layer, and the portal services, which is the presentation layer,
with the common Single Window services. Applications can be hosted on either the external or
the Single Window system with, ideally, a common data layer on the Single Window system.