Your daughter is twelve years old and has an indefinite leave to enter UK on a Tanzanian passport how can she apply for British passport?

1. Register your daughter as a British citizen. You can do this online through the UK government website or by post using form MN1 and sending it to the relevant Passport Office. You must provide evidence of her identity, immigration status and address in the UK.

2. Wait for the decision. The Passport Office will review your daughter's application and make a decision on whether to register her as a British citizen. If your daughter is successful, you will be sent a registration certificate.

3. Apply for your daughter's British passport. Once your daughter has been registered as a British citizen, you can apply for her British passport online through the UK government website or by post using form PP. You must provide her registration certificate, a valid Tanzanian passport and a passport-sized photo.

4. Pay the fee. The fee for a child passport is £53.50.

5. Collect your daughter's British passport or have it sent to you. Once the Passport Office has processed your daughter's application, you can collect her British passport in person or have it sent to you.

Here are some additional things to keep in mind:

- If your daughter is under 16 years old, you must apply for her British passport on her behalf.

- If your daughter is over 16 years old, she can apply for her own British passport, but you may still need to provide some supporting documents.

- The processing time for a British passport application varies, but it can take up to six weeks.