The reference legal regulations that regulate working conditions in rigorous and extreme atmospheric periods [among which are the high temperatures] are the following:
– law 31/1995 of Occupational Risk Prevention (PRL):
https://www.boe.es/buscar/act.php?id=BOE-A-1995-24292
– Royal Decree 486/1997 + Royal Decree 2177/2004 (that he complements):
https://www.boe.es/buscar/act.php?id=BOE-A-1997-8669
https://www.boe.es/buscar/doc.php?id=BOE-A-2004-19311
– Royal Decree 4/2023:
https://www.boe.es/buscar/act.php?id=BOE-A-2023-11187
CONSULT YOUR RIGHTS INDEPENDENTLY AND HAVE THEM FULFILLED!
LEGAL REGULATIONS heat (printable version in .pdf format)