1) I believe the context is insufficent to begin with. All you have provided is "declaración de excepcionalidad" (an isolated phrase without any useful context.
2) All you've said it the TM appears unreliable (declaration of exceptionality) but provided no explanation as to why you think it is unreliable.
3) Links below suggest (the 1st one at any rate), and given the context of human resources/measures have been carried out consisting of donations and sponsorship actions of a monetary nature, the link below does refer to a "declaration of exceptionality"
4) Without a full sentence or two prior to the appearance of the phrase, it is difficult to understand the context. What search have you done on your own?
5) I cannot say with any certainty whether the link below is applicable in any form or fashion.

https://eurocajarural.es/memoria2019/docs/Resumen Economico ...
Eurocaja Rural, Sociedad Cooperativa de Crédito and ...eurocajarural.es › memoria2019 › docsPDF
Mar 10, 2020 - Commitments and guarantees granted ... Financial guarantees granted ... change of name, replacing the name "Caja Rural de Castilla la ... Nuria Leon Perez ... and Corporate Social Responsibility awarded to the entity by the Junta de ... that quota, in the year 2019 the relevant declaration of exceptionality ...

Eurocaja Rural, Sociedad Cooperativa de Crédito and ...eurocajarural.es › memoria2019 › docsPDF
Mar 10, 2020 - Assets and liabilities of a monetary nature are converted to euro using ... Following their initial recognition, the Group measures financial ... paying termination benefits as a result of an offer made to encourage ... measures have been carried out consisting of donations and sponsorship actions of a monetary.

Although, in the absence of disabled applicants, and after proving the impossibility of reaching
that quota, in the year 2019 the relevant ***declaration of exceptionality*** of the reservation
obligation was requested from the Regional Ministry of Economy, Business and Employment of
Castilla La Mancha, and was granted by means of a resolution issued by the Intermediation
Service, on 12 December 2019. In order to effectively comply with the regulations, alternative
measures have been carried out consisting of donations and sponsorship actions of a monetary
nature, for the development of activities of labour insertion and job creation for people with
disabilities, to Foundations and Associations of public utility whose social purpose is, among
others, professional training, labour insertion or job creation in favour of people with disabilities
that allow the creation of jobs for them, and finally, their integration in the labour market.

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https://www.annualreports.com/HostedData/AnnualReportArchive...
Annual Report 2000 - Acesa and Acesa Group - Annual Reportswww.annualreports.com › OTC_ABRTY_2000PDF
the international expansion of our activities has been taken with the two most ... removal of tollgate installations, and the redesign of the old platform, giving it the ... Castells Culturals de Catalunya, sponsoring a concert in Castellet i la Gornal, ... declaration of exceptionality to apply these alternative measures, given the high ...