(1) This section applies if--
(a) there was a previous provision that provided for a document to be made under it; and
(b) there is a corresponding provision to the previous provision; and
(c) under the previous provision and before the commencement, a document was given to a person, whether or not the person had received the document before the commencement.
Example--
a remedial action notice under previous section 86C that states a date by which a person must comply with the notice
(2) If the document stated a period for doing something--
(a) the stated period continues to apply for doing the thing; and
(b) the period continues to have started from when the period started under the previous provision.
(3) If the document stated a date before when or by when a thing is to be done (however expressed), the thing must be done by the stated date.