If you were required to file a declaration of estimated tax for the calendar year 1961, it is not necessary to pay the fourth installment otherwise due on January 15, 1962, if you file your income tax return Form 1040, and pay your tax in full for the calendar year 1961 by January 31, 1962.

If you hold property for the production of rents or royalties you subtract, in computing Adjusted Gross Income, ordinary and necessary expenses and certain other deductions attributable to the property.

If necessary to replace both halves on grill, sear cuts and allot extra time.

If high accuracy is required in preflight leveling, it is usually necessary to integrate or doubly integrate the accelerometer outputs ( this also minimizes the noise problem ).

`` If you find it necessary, Sam, go ahead '', she said, turning on the stair.

If necessary, motoring slowly around the location of the anchor also helps dislodge it.

If the sick person wishes to receive the sacrament of penance, it is preferable that the priest make himself available for this during a previous visit ; but if the sick person must confess during the celebration of the sacrament of anointing, this confession replaces the penitential rite A passage of Scripture is read, and the priest may give a brief explanation of the reading, a short litany is said, and the priest lays his hands on the head of the sick person and then says a prayer of thanksgiving over the already blessed oil or, if necessary, blesses the oil himself.

If used for drinking, mineral supplements or mineralization is necessary.

" If the remainder of the Conservative Party could muster the electoral support necessary to form a government, then Disraeli was now guaranteed high office.

If further research confirms these relationships, it will be necessary to reclassify the rorquals.

If a larger fire is necessary, the smith increases the air flowing into the fire as well as feeding and deepening the coke heart.

If mistakes have been made, it may also be necessary to remove the whole intonaco for that area — or to change them later à secco.

If a lock, let it have been made in whatever country, or by whatever maker, is not so inviolable as it has hitherto been deemed to be, surely it is to the interest of honest persons to know this fact, because the dishonest are tolerably certain to apply the knowledge practically ; and the spread of the knowledge is necessary to give fair play to those who might suffer by ignorance.

He adds " If this highly speculative surmise be correct, it is also necessary to assume either that the existence of the door was forgotten or that the entrance was again blocked with facing stones " in order to explain why al-Ma ' mun could not find the entrance.

If police action is not sufficient to stop the guerrilla fighters, military sweeps may be necessary.

If he or she is also chief executive, he or she can thus politically control the necessary executive measures without which a proclaimed law can remain dead letter, sometimes for years or even forever.

If subdivision is necessary, periods of human technological development, such as the Mesolithic, Neolithic, and Bronze Age, are usually used.

If necessary, a second net may be clasped to the back of the net on the inside.

This can be indicated by verbal statements at the beginning of a composition, for example, " Tune Low C to C flat ", or " If necessary, tune high G to G sharp ".

If a hellbender ends up in an area of slowly moving water, not enough water will pass over its skin in a given time period, making it difficult to garner enough oxygen to support necessary respiratory functions.

If we compress data in a manner that assumes q ( X ) is the distribution underlying some data, when, in reality, p ( X ) is the correct distribution, the Kullback – Leibler divergence is the number of average additional bits per datum necessary for compression.

If the coordinates are chosen badly, the laws of motion may be more complex than necessary.

If they turned to illegality it was due to the fact that honest toil only benefited the employers and often entailed a complete loss of dignity, while any complaints resulted in the sack ; to avoid starvation through lack of work it was necessary to beg or steal, and to avoid conscription into the army many of them had to go on the run.

If " this statement is false " is denoted by A and its truth value is being sought, it is necessary to find a condition that restricts the choice of possible truth values of A.

If a lock, let it have been made in whatever country, or by whatever maker, is not so inviolable as it has hitherto been deemed to be, surely it is to the interest of honest persons to know this fact, because the dishonest are tolerably certain to apply the knowledge practically ; and the spread of the knowledge is necessary to give fair play to those who might suffer by ignorance.

He added, `` If this doesn't work out, the three of you barricade yourself in the house and talk terms with them ''.

If we examine the three types of change from the point of view of their internal structure we find an additional profound difference between the third and the first two, one that accounts for the notable difference between the responses they evoke.

If we cluster together, the redcoats can make an advantage out of it, but there's not a blessed thing they can do with two or three of us except chase us, and we can outrun them ''.

If the Af bond is linear then there are three reasonable positions for the hydrogen atoms: ( 1 ) The hydrogen atoms are centered and hence all lie on a sheet midway between the oxygen sheets ; ;

If three dice are tossed, a trial is one toss of one die and the experiment is composed of three trials.

( One big question: If Colmer was to be purged, what should the House do about the other three senior Mississippians who supported the maverick electors??

If one takes the middle number, 5, and multiplies it by 3 ( the base number of the magic square of three ), the result is 15, which is also the constant sum of all the rows, columns, and two main diagonals.

If there are three types of atoms forming the mixture, such as iron, nickel and chromium, then it is called a ternary alloy.

If placing a tile causes three or four chains to merge, then the merger steps are handled between the largest and second-largest chain, then with the third-largest chain, and finally with the smallest chain.

" If you have any sense of humor about your strip — and I had a sense of humor about mine — you knew that for three or four years Abner was wrong.

If appropriate proportions of three primary pigments are mixed, the result reflects so little light as to be called " black ".

If a bubble touches identically-colored bubbles, forming a group of three or more, those bubbles — as well as any bubbles hanging from them — are removed from the field of play, and points are awarded.

If there is no discharge, then all three criteria are needed.

If an account has a credit balance, the amount is copied into column three ( the credit column ).

If a wolf was sighted, the hunter would release a team of two or three borzoi.

If the rider plans a significant amount of hillclimbing, a triple-crank ( three chainrings ) front gear system may be preferred.

If a die leaves the table, the shooter will usually be asked to select another die from the remaining three but can request using the same die if it passes the boxman's inspection.

If three sets are played, the pieces usually go into the opponent's starting corners.

If the offensive team completes 10 yards on their first play, they lose the other two downs and are granted another set of three.

* If the offence fails to make ten yards in three plays, the defence takes over on downs.

If symptoms develop during the acute phase, they usually resolve spontaneously within three to eight weeks in approximately 90 % of individuals.

If these three ligands and the metal ion are in one plane, the isomer is said to be meridional, or mer.

If each pixel on the display actually contains three rectangular subpixels of red, green, and blue, in that fixed order, then things on the screen that are smaller than one full pixel in size can be rendered by lighting only one or two of the subpixels.

If the index finger of the right hand is pointed forward, the middle finger bent inward at a right angle to it, and the thumb placed at a right angle to both, the three fingers indicate the relative directions of the x -, y -, and z-axes in a right-handed system.