If calling from Singapore.
XBRL – when to tag, what to tag, how to tag
Corporation Tax Online: the benefits and how to sign up.
Corporation Tax for Tax for Agents and Advisors.
HMRC recognised Corporation Tax Online software and online forms.
Tax bodies seek Government to defer HMRC deadline
Joint HMRC and Companies House statement.
XBRL UK and links to UK taxonomies.
What you need to know about using Managed tagging services.
iXBRL HMRC Guide
iXBRL Who needs to file
iXBRL Technical guidance
Charities and Corporation Tax
Switching to online CT Returns and electronic payment
Example set of accounts
Techpack Notes
Techpack FAQs
UK Taxonomies
Study: XBRL Leads to Better Coverage, More Liquidity