(1) A person who is required to provide security may do so:
by the deposit of money or securities,
by the pledge of claims that are registered in the Federal Debt Register (Bundesschuldbuch) or the Debt Register of a Land (Landesschuldbuch),
by the pledge of movable things,
by the creation of ship mortgages on ships or ships under construction which are recorded in a German ship register or a ship construction register,
by the creation of mortgages on plots of land within the territory of Germany,
by the pledge of claims for which there is a mortgage on a plot of land within the territory of Germany, or
by the pledge of land charges or annuity land charges on plots of land within the territory of Germany.
(2) If security cannot be provided in this manner, it is admissible to furnish a qualified surety.