Only two of this weekend's last 16 Scottish Cup ties will have VAR in operation.

That's despite four of the ties being played at Premiership grounds over Saturday and Sunday.

The technology is only available at top flight stadiums for cup matches. That has certainly proved to be a controversial topic both north and south of the border in terms of the inconsistency of its availability.

For this weekend, only Celtic, Rangers, Dundee United and Livingston have it at their disposal.

However, according to the Scottish Daily Express, only Celtic vs St Mirren and Rangers vs Partick Thistle will utilise VAR.

The video assistance is understood to cost teams around £10,000 per match to have in use.

Therefore, similar to the last round where some top flight teams opted against paying that fee, Dundee United vs Kilmarnock and Livingston vs Inverness will go ahead without it.

Celtic host St Mirren on Saturday evening, while Rangers will take on Partick at Ibrox on Sunday afternoon.

READ MORE: Celtic vs Hearts cup final broke same rules as Queen’s Park, claims Lord Haughey

The first of the right last 16 ties gets underway on Friday evening, when Hamilton welcome Hearts to Lanarkshire.

Like the fourth round, it will finish on Monday night in Darvel. Their reward for toppling Aberdeen in the last round is a home tie against League One Falkirk.

Meanwhile, Lord Willie Haughey claims that both Celtic and Hearts dodged punishment for break "the exact same rule" that saw Queen's Park disqualified from this season's Scottish Cup.

The backer behind the Championship leaders insists the Premiership duo avoided any backlash for the alleged breach of rules back in 2020.

The Spiders were eliminated from this year's competition after they fielded Euan Henderson in their fourth round win over Inverness. 

They thought they'd earned a tie with Livingston in the next round. 

However, the loan deal with Hearts for Henderson was concluded after the original match date of the Scottish Cup fixture. As a result, Henderson was deemed ineligible.

After a notice of complaint was raised in the aftermath of the game, Queen's Park were found guilty by the Scottish FA disciplinary panel, who then reinstated Inverness to the competition.

Now, Lord Haughey has hit out at the decision and cited Celtic and Hearts breaking the same rules in the Scottish Cup final just over two years ago.