You can access the eTwinning eSafety Rules from the link:

https://www.etwinning.net/en/pub/support/esafety-and-etwinning.htm

Due to the European data protection legislation (General Data Protection Regulation, deliberation 1495/2016) special care is suggested with this public twinspace page.  You must not post photos with easily identifiable students faces.

Teachers  will collect  parents' permissions  for children to participate in the project.

The permissions should include:

the name of the project,

consent to the publication of the student's name and surname,

consent to the publication of photos and works of students.

Teachers keep the consent in their schools.

Example in English 

I give my consent for my child ................ to participate in the international eTwinning project "Welcome autumn" . I consent to the publication of the child's name and surname, image in photos /videos and for the publication of works, photos and projects by my child.

Parent's signature / date

Permission can be done in native language and must be  collected before start project !