In Swedish
Employers’ Guide Sick Leave and Rehabilitation Absence due to sickness, day 15- (sickness benefit period)

Absence due to sickness, day 15- (sickness benefit period) 

If the employee remains sick after the 14th calendar day, the employer must register a notification of sickness to the Social Insurance Agency within seven days of the end of the sick pay period. Registration is made on the Swedish Social Insurance Agency's website, www.forsakringskassan.se.