Your mother tongue and other language you master.

For the completion of this question, which comprises from two parts, the interviewer uses one of the possible answers included in the coded list of languages and the correspondent numerical code is written in the intended box.
For each person for this question in line "13A" the replier's mother tongue's code is written that will mention the replier himself.
If the replier find it difficult to mention any language as his/her mother tongue, then the name of the language must be written which he /she knows better or the language which is usually used in the family.
For the children who don't speak yet the mother tongue is determined by the parents. The mother tongue of the dumb and deaf is considered to be the language in which they read and write or the one that is used in their household or by which they mostly contact with other people.

In line "13B" some other language is written that replier is fluent in that is to say he/she can read in that language, write and speak fluently. If the replier is fluent in more than one foreign language, only one mentioned by replier at his/her discretion should be written.

If the replier doesn't want to answer to question about his/her mother tongue, "19" code is used.

If the replier know no other any language other than his/her mother tongue in "13B" line "20" code is used.