Mexico’s official workplace standard on psychosocial risk, NOM-035-STPS-2018, tells employers in numeral 8.1 b) to “disponer de mecanismos seguros y confidenciales para la recepción de quejas” (have secure and confidential mechanisms for receiving complaints). Numeral 5.7 d) names the complaints: those “por prácticas opuestas al entorno organizacional favorable” (about practices contrary to a favorable work environment).
A guidance sheet by the social security institute IMSS suggests how: “Pueden implementarse buzones, correos electrónicos, entre otros” (Mailboxes, email addresses and other means can be set up).