Whether post-acceleration charges and fraudulent foreclosure sale adjournment notices constitute irregularities to invalidate the sheriff's deed

QUESTIONS PRESENTED If after a mortgage lender’s acceleration of the entire balance of the loan terminates borrower's duty to make periodic payments, then. . I. Can the lender create a $270,583.00 postacceleration default representing future interest, late fees, and other charges? Are fraudulent sheriff sale adjournment notices in aid of the : foreclosure sale violate the 11 USC §362 Stay? And if so, do the post-acceleration charges and fraudulent adjournment notices constitute irregularities in the foreclosure sale to warrant invalidating the Sheriffs Deed? II. Can a Michigan district court create its own exception under Texas Law to the Michigan Fed. R. Civ. P. 13(a) to avoid a June 05, 2017, timebar? .