ymarkov | My New Online Bill Payment Agreement

It has the following language in it (emphasis mine):

Prohibited Payments. The following types of payments are prohibited through the Service, and we have the right but not the obligation to monitor for, block, cancel and/or reverse such payments:
a. Payments to or from persons or entities located in prohibited territories (including any territory outside of the United States); and

b. Payments that violate any law, statute, ordinance or regulation; and

c. Payments that violate the Acceptable Use terms in Section 14 of the General Terms below; and

d. Payments related to: (1) tobacco products, (2) prescription drugs and devices; (3) narcotics, steroids, controlled substances or other products that present a risk to consumer safety; (4) drug paraphernalia; (5) ammunition, firearms, or firearm parts or related accessories; (6) weapons or knives regulated under applicable law; (7) goods or services that encourage, promote, facilitate or instruct others to engage in illegal activity; (8) goods or services that are sexually oriented; (9) goods or services that promote hate, violence, racial intolerance, or the financial exploitation of a crime; (10) goods or services that defame, abuse, harass or threaten others; (11) goods or services that include any language or images that are bigoted, hateful, racially offensive, vulgar, obscene, indecent or discourteous; (12) goods or services that advertise, sell to, or solicit others; or (13) goods or services that infringe or violate any copyright, trademark, right of publicity or privacy, or any other proprietary right under the laws of any jurisdiction; and

e. Payments related to gambling, gaming and/or any other activity with an entry fee and a prize, including, but not limited to, casino games, sports betting, horse or dog racing, lottery tickets, other ventures that facilitate gambling, games of skill (whether or not it is legally defined as a lottery) and sweepstakes; and

f. Payments relating to transactions that (1) support pyramid or Ponzi schemes, matrix programs, other "get rich quick" schemes or multi-level marketing programs, (2) are associated with purchases of real property, annuities or lottery contracts, lay-away systems, off-shore banking or transactions to finance or refinance debts funded by a credit card, (3) are for the sale of items before the seller has control or possession of the item, (4) constitute money-laundering or terrorist financing, (5) are associated with the following "money service business" activities: the sale of traveler’s checks or money orders, currency dealers or exchanges, or check cashing, or (6) provide credit repair or debt settlement services; and
g. Tax payments and court ordered payments.