Audit tik marks

The tick marks are generally for our special identification for the areas and information already cheked.So the usual "AUDIT" tick marks can be further extended by your own programme for checking.For instance when there is any req of checing the postings into ledger then the journals or original books will already have the ticks of vouching that can be crossed.So it is your convienience.but the ticking marks shall be uniform and the numbers should not be mugged and be clear even after ticking.It come with experience and your execution of the audit plan