go to Tas home page

TAS software - Making business easy


tas cistas cis

Software add-on for construction industries

If you are in the construction industry and employ sub-contractors, you need to comply with the latest CIS rules. This can be a difficult, time consuming task and late or inaccurate HMRC submissions, can result in costly fines.

TAS CIS has been developed to help you comply with the CIS legislation, without generating endless paperwork or additional pressures on your time.

TAS CIS has been designed to work with TASBooks. Creating a package specifically for people who run construction businesses.


  • About the software
  • System requirements

TAS CIS works with TASBooks and it will help you:

  • Save time by verifying subcontractor details directly with HMRC via the Internet
  • Make sure your CIS calculations are correct
  • Comply with legislation by easily producing monthly subcontractor payment statements
  • Reduce the risk of making mistakes by filing monthly returns directly with HMRC via the Internet
  • Make life easier by keeping all your subcontractor and CIS information in one place
  • HMRC have successfully tested and recognised TAS CIS to both file the monthly CIS return (CIS 300) and perform online verification of subcontractor information.

System requirements

  • Microsoft Windows XP (recommended) or Windows Vista
  • Microsoft .NET v2 framework
  • Microsoft Internet Explorer v7 or higher
  • Adobe Acrobat Reader v7 or higher
  • Microsoft Excel XP or higher (to use Excel Integrated Reporting)

Minimum hardware requirements

  • A PC with a 1GHz processor
  • At least 512MB of RAM on Windows XP, 1GB of RAM on Windows Vista
  • A hard disk with at least 500MB of free space
  • A CD-ROM drive
  • A monitor with 1024x768 resolution and 24-bit colour
  • An Internet connection

Recommended hardware requirements

  • A PC with a 2GHz processor
  • At least 1GB of RAM on Windows XP, 2GB of RAM on Windows Vista
  • A hard disk with at least 500MB of free space
  • A CD-ROM drive
  • A monitor with 1280x1024 resolution and 32-bit colour
  • A broadband Internet connection

Additional requirements for workgroup versions

  • 100Mbps network, 1Gbps recommended
  • Microsoft Windows networking, with TCP/IPv4

 Additional requirements for network versions

  • A network server running 32-bit or 64-bit Windows Server 2003 or Windows Small Business Server 2003, with 2GB of RAM and 500MB of free disk space
  • 100Mbps network, 1Gbps recommended
  • Microsoft Windows networking, with TCP/IPv4

Performance will be improved with higher specification computers.

Please ensure that you have the latest Microsoft Windows service packs and updates installed, including those for the .NET v2 framework. This product is not designed to operate on Windows 95/98/ME/NT/2000.

You'll need an Internet connection (ideally a broadband connection) on the same computer as  this program  in order to access online services and download program updates. If you require program updates on CD, they are available on request at a small charge.

 It is not possible to run multiple copies of this product on a single computer.