Small homeless shelters in New York may begin closing due to changes in city rules, reports The New York Times.

Last September, city officials decided to stop referring homeless men and women to shelters that were open fewer than five nights a week, which caused about 20 of them to close. This month, city officials announced that as of June, homeless shelters would need to serve hot meals and provide transportation to keep receiving money from the city.

Some managers of small shelters say they are frustrated by the new rules and that it is impossible in some cases to comply with them without adding costly staff or equipment. A city official who oversees shelter services told the Times that the new rules are an attempt to make the system more efficient.

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