An extension of the residence permit beyond the period of issue of six months is not permitted as long as you have not yet legally resided in Germany for at least 18 months when the residence permit was first issued.
If you have legally resided in Germany for at least 18 months, it is possible to extend your residence permit, which is initially limited to six months. The same conditions must be met as for the issuance of the residence permit.
An extension of the residence permit is only permitted if a temporary stay is sought. If you are seeking permanent residence or an unforeseeable stay in Germany, an extension of the residence permit cannot be granted.
You must urgently ensure that you apply for an extension or issue of another residence permit before the expiry of your residence permit. If the application is submitted in good time, i.e. before the expiry of the time limit, further residence is deemed permitted until the decision of the immigration authority with all subsequent effects (e.g. entitlement to social assistance). A late application (after the end of the deadline specified in the residence permit) can result in considerable legal disadvantages. Your further stay would then be illegal. They are then obliged to leave the country.
