Taking into account this purpose, article Uno.º, letter e), in its third indent contemplates three operations to which the reversal of the taxable person applies: Delivery of properties in execution of the guarantee constituted on them. Delivery of real estate in exchange for the total or partial extinction of the guaranteed debt. Delivery of real estate in exchange for the obligation to extinguish the debt guaranteed by the purchaser.
For its part, and with regard to each of the aforementioned operations, the following must be taken into account: With respect to the first of the aforementioned Buy Bulk SMS Service operations, that is, deliveries made in execution of the guarantee constituted over the real estate, it is worth clarifying the following: st. The guarantee may have been granted prior to the beginning of the execution process (for example, mortgage) or constituted during it at the request of the executor, to guarantee the successful completion of the execution (for example, preventive annotation of seizure). nd. Collateral may support, vis-à-vis the secured creditor, the fulfillment of an obligation of the grantor or debtor, for example, if a third party acted as grantor. The above implies that the may or may not coincide with the debtor. rd.

Failure to comply with the principal secured obligation, that is, non-payment, entitles the creditor to enforce the collateral. However, the execution of the guarantee may also arise from other different cases of non-compliance. th. The execution of the guarantee can be carried out judicially or, where appropriate, by the extrajudicial procedure provided for in article of the Mortgage Law, Revised Text according to Decree of February , th. The purpose of the execution of the guarantee is to use the sum realizable with the sale of the property on which it falls to extinguish, totally or partially, the corresponding debt. th.
The purchaser can be either a third party to whom, for example, the performer has transferred the auction in the terms provided for in article , section , of Law / of January , on Civil Procedure (BOE of January), or, where applicable, the secured creditor. With respect to the remaining operations, that is, deliveries of real estate in exchange for the total or partial extinction of the debt guaranteed with such real estate or in exchange for the obligation to extinguish said debt by the purchaser, the following should be noted: st. As in the case analyzed in point above, the transferor does not necessarily have to coincide with the debtor, but it is possible for a third party to guarantee with real estate owned by him the fulfillment of a debt contracted by another person. nd.