There are preventive regulations aimed at protecting the collection ofpublic receivables in Law No. 6183. On of the safeguards that can tie it to theassurance that it will receive, even though it has not yet been accrued orfinalized, is tha guarantee institution. Collateral request, which is a measurethat can be applied thrugh administrative prooceedings without the need for a court decision has different legal consequences according to the attiutde of thepublic deptor th Show colleteral or not. In our study, the legal analysis andanalysis of the collateral institution arranged between m.9-12 of Law Noç 6183,which can alsı provide the opporunity to operate its own forced follow-up andcollection process, is carried out.