Since the 1st of January 2017, the period for granting the Arbeitslosengeld II has been 12 months. Thereafter, the application for continuation must be submitted, with the cost carrier r re-examining the necessity of the applicant. The period of authorization for benefits may be reduced to six months in the following cases:
1. If the performance claim is provisionally decided (§ 41a) or
2. if the expenses for accommodation and heating are unreasonable.
Section § 41 SGB II