how long does it take IRS to approve refund and deposit it
1 The IRS states that 9 out of 10 e-filed tax returns with direct deposit will be processed within 21 days of IRS e-file acceptance. 2  Mailed paper returns â Refund processing time is 6 to 8 weeks from the date the IRS receives your tax return.efund Processing Time. 1  E-filed tax returns with direct deposit â E-file with direct deposit is the fastest way to get your tax refund. 2  Mailed paper returns â Refund processing time is 6 to 8 weeks from the date the IRS receives your tax return.