You must check the date from which these rules apply for
the tax or duty you aredealing with. SeeCH81011for full details.
Not every inaccuracy will incur a penalty. A penalty is not
due if a person takes reasonable care, see
CH81120, to complete a document
correctly, even if it later turns out to be wrong. See
CH81080 where a person discovers this
sort of inaccuracy after they have sent us the document.
A person (P), see
CH81040, may be charged a penalty
where
See CH81165 where the inaccuracy in P’s document arose because another person deliberately supplied false information to or deliberately withheld information from P.