Law 39/2015
Article 16. Records.
"1. Each Administration must have a general electronic register, in which every document presented or received in any administrative body, public body or entity linked or dependent on them must be registered. It can also be noted the output of official documents addressed to other bodies or individuals.
[...] 4. The documents that the interested parties send to the public administration bodies can be presented:
a) To the electronic register of the Administration or body to which they are addressed, as well as to the other electronic registers of any of the subjects referred to in article 2.1.
[...] d) To the assistance offices in matters of records.
The electronic records of each and every one of the administrations must be fully interoperable, so that computer compatibility and interconnection are guaranteed, as well as the telematic transmission of registration entries and documents that are presented in any of the registers."
Article 21. Obligation to resolve.
"1. The Administration is obliged to issue an express resolution and notify it in all procedures regardless of the form of initiation.
In cases of prescription, waiver of the right, expiration of the procedure or withdrawal of the request, as well as sudden disappearance of the object of the procedure, the resolution consists of the declaration of the circumstance that occurs in each case, with indication of the facts produced and the applicable rules.
Excluded from the obligation referred to in the first paragraph are cases of termination of the procedure by pact or agreement, as well as procedures relating to the exercise of rights subject only to the duty of responsible declaration or communication to the Administration.
2. The maximum term in which the express resolution must be notified is that set by the regulation governing the corresponding procedure.
This period cannot exceed six months, unless a rule with the rank of law establishes a higher one or so provided by the law of the European Union.
3. When the rules governing the procedures do not set a maximum term, this is three months. This period and those provided for in the previous section must be counted:
a) In proceedings initiated ex officio, from the date of the initiation agreement.
b) In those initiated at the request of the interested party, from the date on which the request has been entered in the electronic register of the Administration or competent body for its processing.
4. The public administrations must publish and keep updated on the web portal, for informational purposes, the relations of procedures under their jurisdiction, with an indication of the maximum duration of the procedures, as well as the effects of administrative silence.
In any case, the public administrations must inform the interested parties of the maximum period established to resolve the procedures and to notify the acts that bring them to an end, as well as the effects that administrative silence may produce. This mention must be included in the notification or publication of the ex officio initiation agreement, or in the communication that must be addressed to the interested party within ten days of receipt of the request initiating the procedure in the electronic register of the Administration or body competent for its processing. In the latter case, the communication must also indicate the date on which the request was received by the competent body [...]."
Article 31. Calculation of terms in the registers.
"[...] 2. The electronic registration of each Administration or body is governed for the purposes of calculating the deadlines by the official date and time of the electronic access office, which must have the necessary security measures to guarantee -its integrity and must appear in an accessible and visible manner.The operation of the electronic register is governed by the following rules:
[...] c) The start of the calculation of the deadlines that must be met by the public administrations is determined by the date and time of submission to the electronic register of each Administration or body. In any case, the effective date and time of the beginning of the calculation of terms must be communicated to the person who presented the document [...]."