Can I use rec letter from a professor, and use it to apply to a program where the professor is a faculty member?

[anthedu]

Currently, I am an MA student in Program A, planning to get a rec letter from a professor in Program A, and I am going to apply to Program A (Phd).

In this situation, can I use the professor's rec letter? Or should I find another person?

[TakeruK]

Yes, you should use that professor's rec letter.