En atención a la importancia que tienen las reformas estructurales y
el emprendimiento en el marco de las agendas de desarrollo locales,
nacionales y regionales, el Gobierno de México, a través de la Secretaría
de Economía, decidió incluir ambos temas como ejes fundamentales de su
***período de gestión*** al frente de la RIAC (noviembre 2015 – septiembre 2017).

Considering the importance of the structural reforms and entrepreneurship
within the framework of local, national, and regional development agendas,
the Government of Mexico, through its Ministry of Economy, decided to
include both themes as the fundamental axis of its ***management period***
over the RIAC (November 2015 - September 2017).
http://scm.oas.org/pdfs/2017/CIDRP02073.Publicacion.ESP.ENG....

It doesn't mean the operating period of the company, it means the period in office (incumbency) of the directors and executive officers, which may or may not be the same as the operating or business period (the latter being synonymous with fiscal year).

incumbency
NOUN

The holding of an office or the period during which one is held.
‘during his incumbency he established an epidemic warning system’
...
‘Look at the number of corporations that have made the CSO job an automatic incumbency for one agency or another.’
...
‘He also said that Air India which was incurring losses for the past five years has started earning profit during his incumbency.’

"For the first incumbency, starting from the date of the corporation's entry in the Register until the first quarter of 1993, i.e., until the ordinary shareholders' meeting for that month and year, the following persons have been appointed: