Tax credits charter
Mastery Charter Schools Foundation is a 501(c)3. Donate. By Credit Card. Donation. Gift amount: Tax Credits-EITC(EIO) and OSTC. Mastery is an approved to Tax Credits: HMRC Charter HMRC publish a range of their responsibilities in relation to tax credits in the Code of Practice 26 which is considered in detail in other parts of this website. However, in relation to more general responsibilities these are set out in HMRC’s Your Charter.