More info on subject- article on Extraleague website- Google translated.
the player has an established club membership to the lending club,
the borrowing club and the player agree to the loan,
the loan period cannot be longer than one season and must end on October 31,
during the season in which the loan period falls, the player has scored no more than 12 points in league matches, including bonus points.
Relevant regulations apply to loans: confirming a player, determining club membership and exemptions. At the end of the loan period, the player returns to his home club.
They can take advantage of loans:
Troy Batchelor (PGG ROW Rybnik)
Daniel Bewley (BETARD Sparta Wrocław)
Oskar Bober (Motor Lublin)
Jonas Jeppesen (RM SOLAR Falubaz Zielona Góra)
Jan Kvech (RM SOLAR Falubaz Zielona Góra)
Michał Szczepaniak (PGG ROW Rybnik)