Is there a legally mandated filing fee and/or deposit in the last instance?

Name: Law on General Administrative Procedure

Enactment: 2001 with amendments of 2010

Quote:

'Article 56

(…)

(2)An official who receives a submission shall, at the oral request of theapplicant, that he confirmed receipt of the submission. For this certificate isno fee.'

Link:http://www.paragraf.rs/propisi/zakon_o_opstem_upravnom_postupku.html