can you get a certificate of parking from your friend

so i am buying a new car and it turns out my new car is 1 cm over the width limit of my current parking therefore i have to find new parking. i live kind of in a suburb therefore there are not many choices with parking. but today i found out from my friend who lives about 1 km away from me that he has a free parking spot in front of his house (individual mansion kind of housing ) that i can use which i am very thankful for. so my question is, can i just get the hokanbashou shoumeishou document signed by him and hand it to the police for my shakoshoumeishou? thank you in advance