Symptoms
There is no Extension of Time certificate to select within NBS Contract Administrator under the IC & ICD form of contract.
Cause
Resolution
Simply use the "Adjustment of Completion Date" certificate.
NBS Chorus
Intelligent construction specification, in the cloud. Work together on specs in real-time, across organisations and locations
Plans and features
A range of subscription options to make NBS Chorus work for you
Small works
An NBS Chorus package created specifically for practices working on smaller works and projects
Whitepaper New
Thinking about moving NBS Chorus? Discover the benefits of moving to a digital specification platform.
ROI Calculator New
Calculate the ROI for your business and gain a clearer understanding of the benefits that you may be able to achieve by using NBS Chorus
Book a demo
Sign in to NBS Chorus
NBS Source
The construction product information you need, when you need it
Browse by category
Not sure what you're looking for? Browse for manufacturer products by category.
Browse by manufacturer
Not sure what you're looking for? Browse by manufacturer name
For manufacturers
Building product manufacturer looking to get your products listed and power up your marketing? List your products here.
Go to NBS Source
Other tools
NBS offers a range of tools for specification and collaboration
Uniclass 2015
A dynamic and unified classification system for the construction industry covering all sectors
Construction Information Service (CIS)
A comprehensive online collection of construction related standards, regulations, technical advice and articles
Plug-ins
NBS provides a range of tools to help connect your CAD model to your specification model
Product retirement New
Our legacy products are now retiring. Find out all you need to know about this transitional period.
Knowledge
The latest articles and guides from NBS subject specialists and construction industry contributors
Case studies
Find out how our customers use our software and services
Authors
Meet some of our specialists and contributors
Podcast New
Digital Construction Conversations - we're talking to inspirational industry leaders.
Building safely New
A resource of knowledge and tools to help the construction industry build better, safer and smarter.
Working remotely
Some useful tools and resources to help you to continue to work safer, and smarter no matter where you are
Sample Specifications
Download sample specifications and see what's possible with NBS Chorus
Support
Our Support pages are designed to help you get the most from NBS services
NBS Academy New
The new training academy from NBS. Hands-on learning, delivered in a format that suits you.
Downloads and updates
Download the latest versions of our software and find out about the latest updates to content
About NBS
Our Vision, Mission and Values
Newsroom
All the latest NBS and industry news and stories
Partners
NBS work with reseller partners across the globe to deliver NBS products and services locally
There is no Extension of Time certificate to select within NBS Contract Administrator under the IC & ICD form of contract.
Simply use the "Adjustment of Completion Date" certificate.
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