Marie-Curie individual felowship - current organization
It's clearly allowed and even encouraged:


  Individual Fellowships provide opportunities to researchers of any
  nationality to acquire and transfer  new  knowledge  and  to  work  on
  research  and  innovation  in  Europe  (EU  Member States  and 
  Horizon  2020  Associated  Countries)  and  beyond.  The  scheme 
  particularly supports  the  return  and  (re)integration  of  European
  researchers  from  outside  Europe  and those who have previously
  worked here, as well as researchers displaced by conflict outside the 
  EU  and  Horizon  2020  Associated Countries.  It  also  promotes  the
  career  restart  of individual researchers who show great potential


http://ec.europa.eu/research/participants/data/ref/h2020/wp/2018-2020/main/h2020-wp1820-msca_en.pdf (p. 13)