It is also necessary to determine the categories of data to be entered into the system, the purposes for which the data are to be entered and processed and the criteria for their entry.
Is gá freisin na catagóirí sonraí atá le hiontráil sa chóras, cad chuige a bhfuil na sonraí sin á n-iontráil agus á bpróiseáil, agus na critéir a ghabhann lena n-iontráil a chinneadh.