Travel from and to UK with two passports, one of which contains a UK permanent residency [closed]

I have 2 Moroccan passports, one is out of date, but has the indefinite leave of remain visa, the other up to date. I did this before, travel from Morocco to UK using this method, but they asked too many questions in Morocco, not so much when I landed here. I wanted to ask for sure, can they take my old passport (it has my indefinite residency) I don't want to risk going there and not being able to return due to the Moroccan border control not understanding the job. I checked on the British Home Office site and it's OK.

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Can I enter UK on second passport?

There are no real restrictions or definitive rules on which passport you use to book a flight, or any other form of international travel whether via ferry or train. For example, the British passport may allow visa-free entry to more countries than your other passport.

Can I leave UK on British passport and return on another?

You can use whichever passport is more convenient for leaving country A, and whichever passport is more convenient for arriving in country B. They do not have to be the same passport. But you must enter and leave a country on the same passport.

Can you travel with permanent residence card UK?

You cannot use your UK residence card at the border to enter the UK unless you applied to the EU Settlement Scheme by 30 June 2021. If you have not applied to the EU Settlement Scheme, you might still be able to apply.

Can I lose my permanent resident status UK?

ILR will lapse automatically following a consecutive absence of 2 years from the UK. In accordance with the law, a person who has been absent in excess of 2 consecutive years from the UK will automatically lose their indefinite leave to remain.

Traveling with two passports - I almost got arrested | Jure Sanguinis Italian Dual Citizenship

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