In regards to corporation tax

what is a UK resident company and what are the the implications of being a UK resident

what are the due dates of payments including payments by instalments

provide information on self assessment.

iclude

what are the due dates for returns

what informaction has to be sent to HMRC amending and correcting the returns

enquires and determinations

record keeping

interests and penalties - failure to notify chargeability, submission of incorrect returns, late filling of returns and late payments