whose responsibility to get extra keys made

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been in this apt almost 32 years. had on site manager for 30 years but he died.

realty management is related to owner of bldg who was great.

landlord today says they dont have copy of my apt keys nor garagage key and that  " you must make and get to us immdiately" achtung.

 emailed back manager had keys and if they need keys they can come get mine, make copy, and return.

i am senior citizen and i dont respond well to autocratic commands.\

whose responsibility?

thanks