internal aids - within particular act the judge is looking at for the case
long title/short title - referred to for guidance eg rcn judges referred to long title of abortion act
preamble - older acts have statement at start of act setting out its purpose, newer acts may have one/brief one eg theft act 1968 'to modernise law on theft'
marginal notes - explain different sections
interpretation section - newer acts include interpretation sections that explain key words useful for technical/medical acts eg s10 theft act 1968 refers to a weapon of offence, defines in interpretation section
schedules - end of act may clarify particular points
punctuation - has an effect on meaning of words (hanlon v law society) lord lowry said judges should look at importance of punctuality when interpreting act of parliament