House entrance corner plot?!

I am surprised by the response from the building authority. From a service-oriented municipality, I would have expected more content. In our case, the access for corner plots is determined 95% of the time. This means that residents are NOT allowed to freely decide on which street they develop their property, but must choose the predetermined option. Especially because of curb ramps, public parking spaces, and urban planning designs, this is increasingly regulated. Does the western street also belong to the development area (development plan), or only the southern one? Do you have a link to the development plan? Maybe we can find a stipulation there? If nothing is available, you are initially free to choose - until the municipality notices that they forgot a specification here and possibly rejects the building application,...

I am surprised by the response from the building authority. From a service-oriented municipality, I would have expected,...

I shouldn’t be surprised to that extent if the OP posed their question there as they did here.
Let’s be honest: precise questions also receive defined answers.
The OP’s problem is not clear. A corner property is not common, but also not rare.
Although it is not disgraceful for a layperson to be unable to read a development plan, if one deals with the matter a bit and objectively reads the lines of it, much becomes clear.
It is also quite possible that the service staff at the building authority said something that the OP either does not understand or does not want to understand, and then referred them to the development plan. But this is only inferred from the recurring thread that the OP leaves here.

I shouldn't be surprised if the OP asked his question there just like here.
Honestly: precise questions also receive defined answers.
The OP's problem is not recognizable. A corner lot is not common, but also not rare.
Although it is not reprehensible for a layperson to be unable to read a development plan, when one deals a bit with the subject and objectively reads the lines from it, much becomes clear.
It is also quite possible that the clerk from the building authority said something which the OP either does not understand or does not want to understand, and then referred him to the development plan. But this is only inferred from the recurring thread that the OP leaves here.

or he was bossy