A handful of rogue migrant buses rolled into the Big Apple during the early morning on Friday— just hours before Mayor Eric Adams’s crackdown on unannounced asylum seeker drop-offs went into effect.

A small number of buses arrived at the Port Authority Bus Terminal around midnight, which falls outside of the new mandated arrival times, city officials told The Post.

The charter bus companies, though, avoided criminal charges with City Hall granting a two-day grace period for the strict new guidelines that were rolled out by Mayor Eric Adams days after a record number of buses, 14, arrived in NYC on a single night.

Under the new rules, buses are only allowed to drop off migrants in a single Midtown location, on West 41st Street between Eight and Ninth Avenue, between 8:30 a.m. and 12 p.m. each weekday.

Charter bus companies also need to give the city’s Emergency Management Office a 32-hour heads-up before stopping in the Big Apple, accoridng to the new rules, which Adams announced on Wednesday.

The rules officially went into effect Friday afternoon with cops monitoring the drop-off area for any buses that arrive outside of that time frame, according to City Hall.

Companies that flout the executive order will face a class B misdemeanor, which comes with a fine of up to $2,000 for companies and the threat of up to three months of jail.

Adams, who is following suit to Chicago’s administration, which enacted similar guidelines earlier this month, said the limited arrival times were necessary to ensure the safety of migrants.

“With that executive order we’re saying that between a certain period of time you are allowed to drop off migrants in the city, but you’re going to do it at the location that we specify so we don’t over tax our resources, our manpower and create a disorderly environment,” the mayor said on CNN Friday morning when asked about the order.

The Big Apple’s shelter system has been overwhelmed by the crush of asylum seekers arriving in the city each week with more than 68,000 migrants currently in the city’s care.

Since the start of the crisis, which is projected to run the city more than $12 billion through 2025, over 161,500 have come to NYC.

A large number of the migrants have been sent on buses to the Big Apple on orders from Texas Gov. Greg Abbott.

Adams and a collation of Democratic mayors, including Denver’s Mike Johnston and Chicago’s Brandon Johnson, have joined forces to call on the feds to step up and address the broken border laws that have created the migrant mess.

“They should have federal dollars to help support them in the cities that they arrive in,” Johnston said on their joint CNN appearance, adding,” And we should have a coordinated national plan for where those folks arrive.”